The correct reason is: (B) A larger percentage of reactant molecules will exceed the activation energy barrier.
How does temperature affect reaction speed?Increasing the temperature of a reaction affects its reaction speed by altering the kinetic energy and collision frequency of the reactant molecules. As the temperature rises, the average kinetic energy of the molecules increases. This leads to more energetic and faster molecular motion.
Consequently, a larger percentage of reactant molecules possess sufficient energy to surpass the activation energy barrier, as stated in option (B). This results in a higher proportion of successful collisions, where molecules collide with the correct orientation to enable a reaction, as mentioned in option (C).
The increased collision frequency and the greater proportion of successful collisions ultimately lead to an accelerated reaction rate or speed.
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When blue light of wavelength 440 falls on a single slit, the first dark bands on either side of center are separated by 49.0 ∘ determine the width of the slit
The width of the slit is approximately 585 nanometers.
To determine the width of the slit when blue light of wavelength 440 falls on a single slit and the first dark bands on either side of the center are separated by 49.0 degrees, we can use the equation:
d sin θ = mλ
Where d is the width of the slit, θ is the angle between the central maximum and the first dark band, m is the order of the diffraction pattern (which is 1 for the first dark band), and λ is the wavelength of the light.
Substituting the given values, we get:
d sin (49.0°) = (1)(440 nm)
Since sin (49.0°) = 0.754, we can solve for d:
d = (1)(440 nm) / sin (49.0°) = 585 nm
In summary, by using the equation for diffraction and the given values of the wavelength of the light and the angle between the central maximum and the first dark band, we were able to calculate the width of the slit. This shows the importance of understanding the principles of diffraction in order to accurately measure and analyze light.
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A 100-turn square wire coil of area 0. 040 m2 rotates about a vertical axis at 1500
rev/min. The horizontal component of the Earth’s
magnetic field at the location of the loop is 2. 0 x 10-5 T. Calculate the maximum
emf induced in the coil by the Earth’s field
The maximum emf induced in the coil by the Earth’s field when the coil takes 100 turns is 0.0124 v.
number of turns N = 100
area A = 0.040 m²
angular velocity ω = 1480 rev/min=1480 (2π/60 )rad/s = 154.98 rad /s
magnetic field B = 2 ×10⁻⁵T
the maximum emf induced in the coil by the Earth's field
ε = NBAω
ε = ( 100 ) (2 × 10⁻⁵) (0.040 ) (154.98 )
= 0.0124V
What causes an incited emf?Changes in magnetic flux are the most fundamental cause of an induced EMF. putting a moving current-carrying coil in a magnetic field that is both static and stable. This will cause an adjustment of the area vector and thus, EMF will be created.
What does emf mean?an area where electromagnetic radiation produces electric and magnetic forces. EMFs from power lines, electrical appliances, wireless and cellular telephones, and other sources are being investigated for their potential to cause cancer or other adverse health effects. Additionally called electromagnetic field.
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if boy x pushes by starightening his arms out while while boy y holds his arms in the orginal positon, what is the motion of the two boys
If boy x pushes by straightening his arms out while boy y holds his arms in the original position, the two boys will experience different types of motion. Boy x will experience translational motion, which is the motion of an object moving in a straight line from one point to another. This is because boy x is applying a force to the object in front of him, causing it to move in a straight line.
On the other hand, boy y will experience rotational motion, which is the motion of an object rotating around a fixed axis. This is because boy y is not applying a force in a straight line, but rather is holding the object in its original position. However, if boy x continues to apply force to the object, eventually boy y's arms may rotate as he tries to maintain his grip on the object.
In summary, boy x's motion is translational, as he is pushing the object in a straight line, while boy y's motion is rotational, as he is holding the object in its original position.
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the first successful attempt to establish the size of earth is credited to
The first successful attempt to establish the size of Earth is credited to the ancient Greek mathematician and astronomer Eratosthenes.
Eratosthenes noticed that at noon on the summer solstice, the sun was directly overhead in Syene, a city in southern Egypt, casting no shadow. However, in Alexandria, which was located about 500 miles north of Syene, the sun cast a shadow of approximately 7.2 degrees. Eratosthenes realized that the difference in the shadow length was caused by the curvature of the Earth's surface, and he used his knowledge of geometry to calculate the circumference of the Earth.
Eratosthenes' estimate was remarkably accurate, coming within about 2% of the Earth's actual circumference. His achievement laid the groundwork for future studies of Earth's size and shape and cemented his legacy as one of the greatest scientists of antiquity.
So,the first successful attempt to establish the size of Earth is credited to the ancient Greek mathematician and astronomer Eratosthenes. He was born in Cyrene, a Greek colony in present-day Libya, in 276 BCE and was the chief librarian at the Library of Alexandria in Egypt.
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a 16 kg cube with sides of length 0.2 meters is released from rest while half submerged in water (density 1000 kg/m3) . what will be the magnitude of its initial accleration?'
Magnitude of the cube's initial acceleration will be 14.715 m/s²
The weight of the cube will act downwards. Because the cube is half submerged, the buoyant force will be equal to the weight of the water displaced by the submerged half of the cube. This can be calculated using Archimedes' principle:
Buoyant force = weight of water displaced
Buoyant force = density of water x volume of water displaced x gravitational acceleration
Buoyant force = 1000 kg/m³ x (0.2 m x 0.2 m x 0.1 m) x 9.81 m/s²
Buoyant force = 392.4 N
The weight of the cube can be calculated using its mass and gravitational acceleration:
Weight of cube = mass x gravitational acceleration
Weight of cube = 16 kg x 9.81 m/s²
Weight of cube = 156.96 N
Because the cube is released from rest, its initial acceleration will be determined by the net force acting on it:
Net force = buoyant force - weight of cube
Net force = 392.4 N - 156.96 N
Net force = 235.44 N
Therefore, the magnitude of the cube's initial acceleration will be:
Magnitude of initial acceleration = net force / mass
Magnitude of initial acceleration = 235.44 N / 16 kg
Magnitude of initial acceleration = 14.715 m/s²
So the magnitude of the cube's initial acceleration will be 14.715 m/s²
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find the absolute pressure of a motorcycle tire with a gauge pressure of 255 kpa
The absolute pressure of a motorcycle tire can be found by adding the gauge pressure to the atmospheric pressure.
Given that the gauge pressure is 255 kPa, we need to determine the atmospheric pressure to calculate the absolute pressure. The standard atmospheric pressure at sea level is approximately 101.3 kPa.Therefore, the absolute pressure of the motorcycle tire can be calculated as follows:
Absolute Pressure = Gauge Pressure + Atmospheric Pressure
Absolute Pressure = 255 kPa + 101.3 kPa
Absolute Pressure = 356.3 kPa
Hence, the absolute pressure of the motorcycle tire is 356.3 kPa.
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6.what was the temperature of your boiling water? the standard boiling temperature for water is 100 °c. does your measurement agree with this? explain why or why not.
The main answer is that the temperature of boiling water is generally 100°C.
Your measurement may or may not agree with this standard boiling temperature.
The explanation for any discrepancy could be due to factors such as atmospheric pressure, altitude, or the purity of the water.
At higher altitudes or lower atmospheric pressure, water boils at a lower temperature, while impurities can slightly alter the boiling point as well.
In summary, the standard boiling temperature of water is 100°C, but measurements can vary depending on various factors.
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what is the asymptotic running time of fft for a vector of length n
The asymptotic running time of the Fast Fourier Transform (FFT) algorithm for a vector of length n is O(n log n).
This means that as the size of the vector grows, the time it takes to perform the FFT will grow at most logarithmically with respect to the size of the vector. The reason for this is that the FFT algorithm is designed to take advantage of the symmetry of the complex exponential function, which can be represented as a sum of sine and cosine functions. By dividing the vector into smaller sub-vectors and recursively applying the FFT algorithm to each sub-vector, the overall computation time is reduced. In other words, the FFT algorithm is able to compute the Fourier transform of a vector much more efficiently than the naive algorithm, which has an asymptotic running time of O(n^2).
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metal sphere a has a charge of -2 units and an identical metal sphere b has a charge of -04 uniots if the spheres are brought into contact with each other and then seprated the charge on sphere b will be
When the two spheres are brought into contact, their charges will equalize, resulting in both spheres having a charge of -1.5 units. When they are separated, the charge on sphere A will be -1 unit (the average of -2 and -0.5), and
the charge on sphere B will be -1.5 units - (-1 unit) = -0.5 units. Therefore, the final charge on sphere B will be -0.5 units - (-0.4 units) = -0.1 units. However, since the charge must be conserved, the final charge on sphere A will be -1 unit - (-0.1 units) = -0.9 units. Thus, the final charge on sphere B will be -3 units (-0.4 units - (-2.6 units)).
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two different fluids flow over two identical flat plates with the same laminar free streamvelocity. both fluids have the same viscosity, but one is twice as dense as the other. whatis the relationship between the drag forces on the two plates?
The relationship between the drag forces on the two plates will depend on the specific values of the fluid velocities and densities, as well as the dimensions of the plates. It is not possible to determine the exact relationship between the drag forces without knowing these values.
When two fluids flow over two identical flat plates with the same laminar free stream velocity, the drag force on each plate is proportional to the fluid velocity difference between the plate and the free stream, the fluid density, and the surface area of the plate.
In this case, if one fluid is twice as dense as the other, it means that it has a higher mass per unit volume than the other fluid. Therefore, it will experience a higher drag force than the other fluid. However, if the two fluids have the same viscosity, then the drag force on each plate will be proportional to the fluid velocity difference between the plate and the free stream and the surface area of the plate.
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which electrode serves as the anode, and which as the cathode? cu serves as the cathode, sn as the anode. sn serves as the cathode, cu as the anode.
The electrode that serves as the anode is sn, while the electrode that serves as the cathode is cu. This means that during the process of electroplating, sn will be oxidized and lose electrons, while cu will be reduced and gain electrons.
It is important to note that the roles of the anode and cathode can switch depending on the specific electrochemical reaction taking place.
In an electrochemical cell, the electrode serving as the anode is Sn, and the electrode serving as the cathode is Cu. This means that Sn is the site of oxidation, losing electrons and forming Sn2+ ions, while Cu is the site of reduction, gaining electrons to form Cu(s) from Cu2+ ions. To sum up, Sn serves as the anode and Cu serves as the cathode in this particular cell.
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An isolated spherical star of radius R0 rotates about an axis that passes through its center with an angular velocity of ω0. Gravitational forces within the star cause the star's radius to collapse and decrease to a value r0
When a star rotates it experiences a centripetal force due to the rotation, which causes a decrease in the star's radius. This decrease can be explained through gravitational forces within the star.
These forces compress the matter of the star, thus reducing its volume and radius. Initially, the star has a radius R0, and an angular velocity of ω0. As the star rotates the centripetal force caused by the rotation causes the star to compact and its radius to decrease until a value of r0 is reached.
The decrease in radius occurs due to the compressive forces acting upon the star and can be observed over time as the star's outer boundary does not reach its former size. This decrease in the star's radius is a direct result of its rotation, and the reduction in the star's size due to these gravitational forces.
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complete question is :
An isolated spherical star of radius R0 rotates about an axis that passes through its center with an angular velocity of ω0. Gravitational forces within the star cause the star's radius to collapse and decrease to a value r0. explain.
why would you use a convex mirror rather than a concave or plane mirror for vieqing activities in a strore aisle? explain
A convex mirror is preferred over concave or plane mirrors for viewing activities in a store aisle because it provides a wider field of view.
A convex mirror would be more suitable for viewing activities in a store aisle because it provides a wider field of view compared to a concave mirror. This is because convex mirrors have a curved surface that causes light rays to diverge and spread out, making objects appear smaller but also increasing the area that can be seen. This is useful for seeing more of the aisle at once, especially in areas with limited space or where objects are placed at different heights. Additionally, convex mirrors have a virtual image that appears upright and reduced in size, making it easier to distinguish objects and their relative positions. A concave mirror, on the other hand, would have a narrower field of view and produce a magnified or inverted image, which can be confusing or misleading for viewing activities. A plane mirror would also have a limited field of view and simply reflect the same view as the observer's line of sight, without any distortion or enhancement. Therefore, a convex mirror would be the best choice for viewing activities in a store aisle.
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imagine this wave is stable enough to approach shore. what would happen to the wave height and wavelength at very shallow water depths? be specific
Wavelength shortens, and height increases until it becomes a breaker wave if wave is stable enough to approach shore.
Wave height and wavelength change when a wave enters shallow water. As the proportion of wave level to frequency, called wave steepness, builds, the wave turns out to be less steady
What befalls the wave when it gets into shallow water and approaches the shore?The waves get closer to the shore before breaking on a moderate slope. Since the water shallows all the more quickly, wave energy is quickly gathered into a little region, so the waves develop exceptionally tall and the peaks twist far forward of the box.
What occurs when the wavelength decreases?Frequency (f) is the number of complete wavelengths in a given amount of time. The frequency and energy (E) of a wavelength decrease as its size increases. From these situations you might understand that as the recurrence expands, the frequency gets more limited.
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a solid cylinder of mass 5.30 kg and radius 0.250 m is rolling along flat ground at 3.44 m/s how much total ke does it have
If a solid cylinder of mass 5.30 kg and radius 0.250 m is rolling along flat ground at 3.44 m/s ,the total kinetic energy of the cylinder is 37.4 J.
When a solid cylinder is rolling along a flat surface, it has two forms of kinetic energy: translational kinetic energy and rotational kinetic energy.
The translational kinetic energy is given by the formula KE₁ = (1/2)mv², where m is the mass of the cylinder and v is its velocity. The rotational kinetic energy is given by the formula KE₂ = (1/2)Iω², where I is the moment of inertia of the cylinder and ω is its angular velocity.
In this case, the mass of the cylinder is 5.30 kg and its velocity is 3.44 m/s. The moment of inertia of a solid cylinder is (1/2)mr², where r is the radius of the cylinder. Substituting these values into the formulas for translational and rotational kinetic energy, we get:
KE₁ = (1/2)mv² = (1/2)(5.30 kg)(3.44 m/s)² = 30.6 J
KE₂ = (1/2)Iω² = (1/2)(1/2)(5.30 kg)(0.250 m)²(3.44 m/s)/(0.250 m) = 6.80 J
Therefore, the total kinetic energy of the cylinder is the sum of these two values:
KE = KE₁ + KE₂ = 30.6 J + 6.80 J = 37.4 J
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When X-rays of wavelength 1 = 0.20 nm are reflected off the face of a crystal, a Bragg maximum is observed at a glancing angle of 0 = 17.5°, with sufficient intensity that it is judged to be first order. a) What is the spacing d of the planes that are parallel to the face in question? nm b) What are the glancing angles of all higher order maxima?
a) The spacing d of the planes that are parallel to the face in question is 0.141 nm.
The Bragg's Law is given by nλ = 2dsinθ, where n is the order of reflection, λ is the wavelength of the incident radiation, d is the spacing of the planes and θ is the glancing angle. Here, n = 1, λ = 0.20 nm, θ = 17.5°. Substituting these values in the Bragg's Law and solving for d, we get d = λ / (2sinθ) = 0.141 nm. b) The glancing angles of all higher order maxima can be found using the formula θ = arcsin(nλ / 2d) where n = 2, 3, 4, ....
For the first order maximum, we have already calculated θ = 17.5°. For n = 2, we get θ = 35.0°. For n = 3, we get θ = 54.2° and so on. Thus, the glancing angles of higher order maxima are given by θ = arcsin(nλ / 2d) where n = 2, 3, 4, ....
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what is the potential difference between xi = 1.4 m and xf = 2.4 m ?
The potential difference between xi = 1.4 m and xf = 2.4 m can be calculated by subtracting the initial position from the final position. In this case, the potential difference is 1.0 m.
The potential difference, also known as voltage, is a measure of the electric potential energy difference between two points in an electric-field. It represents the work done per unit charge in moving a charge from one point to another. In this scenario, we are given two positions, xi and xf, and we subtract the initial position from the final position to determine the potential difference. The result, 1.0 m, represents the change in potential energy per unit charge between the two points.
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What is the benefit of a fluorescent analyte with higher quantum yield? Larger Stokes shift Higher absorbance Higher sensitivity Fluorescence at longer wavelength
The benefit of a fluorescent analyte with higher quantum yield is higher sensitivity in detecting and quantifying the analyte.
Quantum yield refers to the efficiency of the analyte in converting absorbed energy into emitted fluorescence. A higher quantum yield means more emitted fluorescence for a given amount of absorbed energy, which makes the analyte easier to detect and quantify.
Additionally, fluorescence at longer wavelengths is beneficial because it reduces background interference from other molecules that may absorb or emit light at shorter wavelengths. A larger Stokes shift can also help separate the excitation and emission wavelengths, further reducing interference and improving sensitivity. However, higher absorbance alone does not necessarily improve sensitivity if the analyte has a low quantum yield, as much of the absorbed energy may be lost as heat instead of being emitted as fluorescence.
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an object is observed that has a luminosity of 80 times the sun's luminosity and a temperature of 10,000 k. what type of object is this?
An object with a luminosity of 80 times the Sun's luminosity and a temperature of 10,000 K is known to be a main-sequence A-type star
What is the luminosity object?This star maybe based upon equating the radiance and hotness of the condemn the Hertzsprung-Russell (HR) drawing, that shows the relationship 'tween the radiance, hotness, and ghostly type of heroes.
Stars accompanying greater luminosities and hotness are situated towards the above abandoned of the HR drawing, while favorites with lower luminosities and hotness are situated towards the lower right. An object accompanying a radiance of 80 periods the Sun's radiance is much more bright than the Sun, and falls inside the above indiscriminate the main-series domain on the HR drawing.
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discuss qualitatively how the excited-state energies change if we consider the particles to be interacting through the coulomb potential.
When considering the excited-state energies of a system of interacting particles, it is important to take into account the Coulomb interaction between the particles.
What is Coulomb potential?In a system of particles that interact through the Coulomb potential, the excited-state energies will generally be affected by the Coulomb interaction between the particles. The Coulomb potential describes the interaction between charged particles, such as electrons and protons.
In the case of atoms, the excited states are typically formed by promoting an electron to a higher energy level. If we consider the Coulomb interaction between the electrons and the nucleus, the excited-state energies will be affected by the degree of attraction or repulsion between the electron and the nucleus. The excited-state energies will depend on the distance between the electron and the nucleus, as well as the charge of the nucleus and the electron.
Similarly, in molecules, the excited states are formed by promoting an electron from a lower energy level to a higher energy level. The Coulomb interaction between the electrons and the nuclei in the molecule will also affect the excited-state energies. The excited-state energies will depend on the positions of the atoms in the molecule, as well as the charges and positions of the electrons.
In general, the Coulomb interaction between particles can cause the excited-state energies to shift and split into sub-levels, due to the repulsion and attraction between the charged particles. The Coulomb interaction can also affect the probability of transitioning between different excited states, due to the different energy differences between the states. Therefore, when considering the excited-state energies of a system of interacting particles, it is important to take into account the Coulomb interaction between the particles.
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what is the de broglie wavelength for an electron with speed (a) v = 0.480c and (b) v = 0.960c?
The de Broglie wavelength for an electron with speed (a) v = 0.480c is 3.17 x [tex]10^{-11}[/tex] meters, and for (b) v = 0.960c is 1.58 x [tex]10^{-11}[/tex] meters.
The de Broglie wavelength of an object with mass m and velocity v is given by
λ = h / mv
Where h is the Planck constant.
(a) For an electron with speed v = 0.480c
First, we need to find the mass of the electron, which is 9.11 x [tex]10^{-31}[/tex] kg. Then we can calculate the de Broglie wavelength
λ = h / mv = 6.63 x [tex]10^{-34}[/tex] J s / (9.11 x [tex]10^{-31}[/tex]kg x 0.480c) = 3.17 x [tex]10^{-11}[/tex] meters
(b) For an electron with speed v = 0.960c
Again, we need to find the mass of the electron first
λ = h / mv = 6.63 x [tex]10^{-34}[/tex]J s / (9.11 x [tex]10^{-31}[/tex] kg x 0.960c) = 1.58 x [tex]10^{-11}[/tex] meters.
So the de Broglie wavelength for an electron with speed
(a) v = 0.480c is 3.17 x [tex]10^{-11}[/tex] meters.
(b) v = 0.960c is 1.58 x [tex]10^{-11}[/tex] meters.
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a balloon is filled to a volume of 2.00 l with 4.00 moles of gas at 25 °c. with pressure and temperature held constant, what will be the volume of the balloon if 0.30 moles of gas are released?
After 0.30 moles of gas are released, the volume of the balloon will be 1.85 liters.
To determine the volume of the balloon after 0.30 moles of gas are released, we can use the ideal gas law equation in the form of (n1/V1) = (n2/V2), where n1 and V1 represent the initial moles and volume, and n2 and V2 represent the final moles and volume.
Initially, we have 4.00 moles of gas in a 2.00 L volume balloon. After releasing 0.30 moles, we have 4.00 - 0.30 = 3.70 moles remaining in the balloon. With pressure and temperature held constant, we can now find the final volume (V2):
(4.00 moles / 2.00 L) = (3.70 moles / V2)
To solve for V2, we can rearrange the equation:
V2 = (3.70 moles * 2.00 L) / 4.00 moles
V2 = 1.85 L
Therefore, after 0.30 moles of gas are released, the volume of the balloon will be 1.85 liters.
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fruit drop down from tree? give reasons
Answer:
gravity. Weakened steam, rotten fruit
Explanation:
for red light of λ = 660 nm , what are f, ω , and k?
The frequency (f) of a red light with a wavelength (λ) of 660 nm can be calculated using the formula f=c/λ, where c is the speed of light.
Therefore, f = 4.54 × 10^14 Hz.
The angular frequency (ω) is calculated using the formula ω=2πf. So, for this red light, ω = 2π × 4.54 × 10^14 = 2.85 × 10^15 radians/s.
The wave number (k) is given by the formula k=2π/λ.
Therefore, k = 9.52 × 10^6 m^-1.
These values are important in understanding the behavior of electromagnetic waves and their interactions with matter.
The frequency determines the color of the light, while the wave number and angular frequency are important in understanding the propagation of light through different media.
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a density bottle has a mass of 45 g and full of paraffin and a mass of 50 g and full of water if the empty bottle weighs 25 grams calculate the relative density of paraffin
The relative density of paraffin is 0. 9
What is relative density?Relative density can simply be defined as the ratio of the density of a substance to the density of the standard substance
It is also called Specific Gravity.
Relative density is a dimensionless quantity.
Such that If a substance is said to have a relative density less than one then it is less dense compared to a reference substance
The formula for relative density is written as;
R.D = Density of substance/density in water
Substitute the parameters, we have;
R.D = 45/50
Divide the values
R.D = 0. 9
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when blue light ( =500 nm) is incident on a single slit, the central bright spot has a width of 8.00 cm. if the screen is 3.55 m distant from the slit, calculate the slit width .
The slit width is approximately 0.223 mm.
When blue light (500 nm) is incident on a single slit, the central bright spot has a width of 8.00 cm. To calculate the slit width, we can use the equation: w = \frac{λL}{D}
Where w is the width of the slit, λ is the wavelength of the light, L is the distance from the slit to the screen, and D is the width of the central bright spot on the screen.
Substituting the given values, we get:
w = (500 nm) *(3.55 m) / (8.00 cm) = 0.223 mm
Therefore, the slit width is approximately 0.223 mm.
It's important to note that the width of the central bright spot is related to the diffraction of light as it passes through the slit. The narrower the slit, the wider the central bright spot will be. This is due to the wave-like nature of light, which causes it to diffract and spread out as it passes through small openings.
Understanding the relationship between the width of the slit and the width of the central bright spot can be useful in fields such as optics and physics, where precise measurements of light and its properties are important.
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a gas expands and does p-v work on the surroundings equal to 325 j. at the same time, it absorbs 127 j of heat from the surroundings. calculate the change in energy of the gas.
The change in energy of the gas is -198 j where the negative sign indicates that the gas has lost energy to the surroundings.
The change in energy of the gas can be calculated using the first law of thermodynamics, which states that the change in energy of a system is equal to the heat added to the system minus the work done by the system. In this case, the gas absorbs 127 j of heat from the surroundings and does p-v work on the surroundings equal to 325 j. Therefore, the change in energy of the gas can be calculated as:
Change in energy = Heat absorbed - Work done
Change in energy = 127 j - 325 j
Change in energy = -198 j
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for a series circuit containing three different resistors, r1 = 39 ω, r2 = 44 ω, and r3 = 32 ω, and a voltage source that provides v = 80.0 v, compute the electric current i .
The electric current i in the given series circuit containing three different resistors and a voltage source is 0.695 A.
To calculate the electric current i in a series circuit containing three different resistors (r₁ = 39 ω, r₂ = 44 ω, and r₃ = 32 ω) and a voltage source (v = 80.0 v), we need to use Ohm's Law and the concept of total resistance.
First, we need to find the total resistance of the circuit by adding up the individual resistances. Therefore, the total resistance (R) of the circuit is:
R = r₁ + r₂ + r₃
= 39 ω + 44 ω + 32 ω
= 115 ω
Next, we can use Ohm's Law (V = IR) to find the electric current i flowing through the circuit. Rearranging the formula, we get:
I = V / R
= 80.0 v / 115 ω
= 0.695 A
Therefore, the electric current i flowing through the circuit is 0.695 A.
In summary, the electric current i in the given series circuit containing three different resistors and a voltage source is 0.695 A.
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For a series circuit containing three different resistors, r1 = 39 ω, r2 = 44 ω, and r3 = 32 ω, and a voltage source that provides v = 80.0 v, then the electric current flowing in the circuit is approximately 0.696 A.
To find the current flowing in the circuit, we need to apply Ohm's law and the rules for series circuits
1. In a series circuit, the same current flows through all the resistors.
2. The total resistance in a series circuit is the sum of the individual resistances.
Using Ohm's law, we have
V = IR
Where V is the voltage of the source, I is the current flowing in the circuit, and R is the total resistance.
To find the total resistance, we add the individual resistances
R = R1 + R2 + R3 = 39 Ω + 44 Ω + 32 Ω = 115 Ω
Now we can solve for the current I
I = V / R = 80.0 V / 115 Ω ≈ 0.696 A
Therefore, the electric current flowing in the circuit is approximately 0.696 A.
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What is the color you see?
A. The color that mixes with white light.
B. The color that is absorbed by the object.
C. The color reflected by the object.
D. The color that is not taken by black light.
the color you see is The color reflected by the object. Hence option C is correct.
The visual sense of colour or colour is dependent on the electromagnetic spectrum. Colour perception is connected to an object's light absorption, reflection, emission spectra, and interference, even though colour is not an inherent characteristic of matter.
When two distinct media come together at an interface, a wavefront might reverse direction so that it returns to the first medium, which is known as reflection. The reflection of light, sound, and water waves are typical examples.
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the lightbulbs are identical. initially both bulbs are glowing. what happens when the switch is closed?