what two quantities could be graphed to yield a straight line whose slope could be used to calculate a numerical value for the mass of the cart?

In the context of society, it focuses upon experiences or processes. b. It always advances theory. A force in qualitative research is grounded theory research.

The term "force" has a defined meaning in science. A energy is not something an object "has in it" or that it "contains." A force is applied to one item by another. Neither live organisms nor inanimate objects are the only things that can be considered forces.

The newton, represented by the letter N, is the Standard unit of force. The metre, a unit of length with the sign m, is one of the fundamental units that relate to force. the kilogram

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The cables AB and AC are in the X and Z directions (See Picture), respectively. Tension in cable ADE will be 98 N.

In physics, tension is defined as the pulling force that is transmitted axially through the use of a string, rope, chain, or similar object, or by the ends of a rod, truss member, or other similar three-dimensional object. Tension can also be defined as the action-reaction pair of forces acting at the ends of the aforementioned elements.

Let us consider the Free body Diagram(See picture).

According to the Free body Diagram, the Point D is in equilibrium.

We know, at Equilibrium condition,

[tex]T-mg=0[/tex]

[tex]T=mg[/tex]

Now, given mass(m) = 10kg, and we know [tex]g=9.8m/sec^{2}[/tex]

[tex]T=10*9.8[/tex]

[tex]T=98N[/tex]

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The complete question is:

The cable ADE is tied at A and E, and loops through the frictionless loop on the 10 kg mass as shown. Cables AB and AC are in the y and x directions, respectively. Use a free body diagram of point D to determine the tension T in cable ADE

The percentage of salt by mass in this seasoning is  20.80%.

A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100.

You have 125 g of seasoning.

Amount of salt = 26.0 g

So,  the percentage of salt by mass in this seasoning is = Amount of salt/total amount of seasoning× 100%

= 26.0 g / 125 g × 100%

=  20.80 %.

Hence,  the percentage of salt by mass in this seasoning is  20.80%.

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Answer:

Explanation: Average acceleration = (velocity/distance)

= Convert 1.87 to meters

1.87 / 1000 = 0.00187

(7.49 m/s / 0.00187 m)

= 3987.37 m/s²

The ratio of the magnitude of the electric field at observation point D

to the magnitude of the electric field at observation point C is 16 : 49.

The electric field strength is the measure of the strength of an electric force  per a given unit charge.

E = ( kq ) / ( r² )

where;

The position of point c from the center = 4

EC  = ( kq ) / ( 4² )

EC = ( kq ) / ( 16 )

The position of point D from the center = 7

ED =  ( kq ) / ( 7² )

ED = ( kq ) / ( 49 )

Ratio of electric field at point D to point C is calculated as;

= 16 / 49

= 16 :  49

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The maximum contact force during the collision will be 900 N.

The ball strikes the wall perpendicularly with speed v and rebounds with the same speed.

therefore, a change in momentum

Δp = mv-(-mv) = 2mv

here, m = 56 g and v = 30 m/s

so, Δp = 2x56x10⁻³x30 = 3.36 kgm/s

Now, we have to obtain the impulse so we have to find out the area under the force-time graph

J = Fmax(2ms+6ms)/2

J = Fmax(4ms)

or Fmax = J/(4ms)

or Fmax = Δp/(4ms)

Now, putting the value of Δp

Fmax = [tex]\frac{3.6}{4x10^{-3}}[/tex] = 900 N

Therefore, the maximum contact force during the collision will be 900 N.

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A projectile is shot directly away from Earth's surface.

Find the multiple of Earth's radius that corresponds to the radial distance a projectile travels if its beginning speed is that of the escape speed from Earth and if its initial kinetic energy is that of the kinetic energy necessary to leave Earth using the concept of energy conservation. Energy cannot be created or destroyed, according to the rule of conservation of energy.

(a)In this question, [tex]V_{0}[/tex] = [tex]\sqrt{GM/2R_{E}}[/tex] is known. Using energy-saving techniques, we have

1/2m[tex]v_{0}^{2}[/tex] - GMm/R = -GMm/r

which is going to yield r = 4[tex]R_{e}[/tex]/3. There fore the multiple of [tex]R_{e}[/tex] is 4/3 or 1.33.

(b)Using the equation, we can see that [tex]K_{i}[/tex]= GMm/2[tex]R_{E}[/tex] exists in this issue, and the aforementioned adjustment (which makes use of energy conservation) results in r= 2[tex]R_{E}[/tex]  in this instance. [tex]R_{E}[/tex] is therefore a multiple of 2.00.

(c)We may see from (c) that the mechanical energy is equal to zero.

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When using a wheatstone bridge to measure resistance, values of resistance are used to determine the galvanometer of the meter circuit.

One of the best tools for measuring electrical current is a galvanometer. To determine and quantify the strength and direction of electrical current in circuits, this device is utilised. The working principal of a moving coil galvanometer is that a coil carrying current placed in a magnetic field experiences a torque. The deflection is made sure to be proportional to the current strength by the coil springs and radial field. A galvanometer is not used in an AC bridge because the rotating torque depends on the average current flowing through the galvanometer's coils. However, there will be no average current flowing via the AC bridge. The magnetic field is influenced by the flow of electric current.

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The electric field has a 9 N/C magnitude.

In this case, we must find the size of an electric field resulting from a specific charge.

The idea of an electric field is taken from the reformulated version of Coulomb's law.

We'll employ the following formula:

E = 9 x 10 9 Nm2/C2 (q/r2), where q is the charge and C r is the charge's distance from the electric field, both expressed in coulombs.

R = 2 m for the information provided.

q = 4.0 nc = 4 x 10⁻⁹ C

E = ?

the problem's resolution

Use the following information to replace the formula for the electric field:

E=9x10-9 Nm2/C2 (q/r2)

E = 4 x 109 C / (2m)2 (4 x 109 N / m2)2

E = 9 N/C

As a result, the electric field's strength is 9 N/C in the direction of the charge.

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The terminal velocity of the block if the 0.1 mm gap between the block and the surface contains SAE 30 oil at60 °F is 0.011 m/s.

To calculate the Reynold's Number (Re):

Re = (Vdρ)/μ

where V is the velocity of the block, d is the gap between the block and the surface, ρ is the density of the oil, and μ is the dynamic viscosity of the oil.

Re = (V×0.1×873)/(0.38)

To Calculate the Darcy-Weisbach friction factor (f):

f = 0.0047/Re^0.2

To calculate the terminal velocity of the block:

Vt = [2×f×L×g×ρ]/μ

where L is the length of the block in contact with the oil and g is the gravitational acceleration (9.8 m/s²).

Vt = [2*(0.0047/Re^0.2)×0.1×9.8×873]/0.38

Vt = 0.011 m/s

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In both scenarios, the upward force must be the same. Regardless of the speed, the force of air resistance equals your weight when you are falling with terminal velocity.

The drag force is inversely related to both the effective area of the falling object and the speed squared. The forces of gravity and drag are equal at terminal velocity. The effective area of the parachute substantially expands when it opens, greatly increasing the drag force. The stronger drag force causes the speed to decrease, which in turn causes the drag force to decrease until it and the force of gravity are once again in balance since the drag and gravity forces are no longer in balance.

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The height will be 11.4m

The height at which the stream of water strikes the building can be found by solving for h in the equation:

h = viy * t - (1/2)gt^2

Where:

viy (vertical component of velocity) = vi * sin(i) = 40.0 m/s * sin(31.0°)

t = d / vix = 39.0 m / (40.0 m/s * cos(31.0°))

g = 9.8 m/s^2

By substituting the values, we can find that the height of the stream strikes the building is approximately:

h = (40.0 m/s * sin(31.0°)) * (39.0 m / (40.0 m/s * cos(31.0°))) - (1/2)(9.8 m/s^2)((39.0 m / (40.0 m/s * cos(31.0°)))^2

Therefore, h = 11.4 m

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To determine the height at which the stream of water will strike the building, we can calculate the horizontal distance and vertical component of the stream's velocity. By using the formulas for horizontal distance, vertical component, time, and height, we can solve for the height at which the stream will strike the building. In this case, the height is approximately 19.9 meters.

To determine the height at which the stream of water will strike the building, we need to consider the vertical and horizontal components of the stream's velocity. We can calculate the horizontal distance the water travels using the formula d = vit. In this case, d = 39.0 m (the distance from the fireman to the building), vi = 40.0 m/s (the speed of the stream), and t is the time it takes for the water to reach the building. Since the water is fired at an angle of 31.0° above the horizontal, the vertical component of its velocity can be found using the formula vfy = visin(i). Once we have the vertical component of the stream's velocity, we can calculate the time it takes for the water to reach the building using the formula t = d/vix. Finally, we can use the time and the vertical component of the stream's velocity to find the height at which the stream will strike the building using the formula y = vfy × t - 0.5gt², where g is the acceleration due to gravity (approximately 9.8 m/s²).

Plugging in the values, we get:

d = 39.0 m

vi = 40.0 m/s

i = 31.0°

vfy = vi × sin(i)

t = d/vix

y = vfy × t - 0.5gt²

After calculating all the values, the height at which the stream of water will strike the building is approximately 19.9 meters.

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The capacitance on the capacitor with initial charge of 10µC is 1.094 μF.

Capacitance can be defined as the capability of a material object or any device to store the electric charge. Capacitance is measured by the change in charge in response to the difference in electric potential of an object, it is expressed as the ratio of the quantities.

Initial charge, Q₀ = 10μC

Time, t = 2 ms

1ms = 10⁻³s

t = 2 × 10⁻³s

Resistance, R = 8.7K Ω

1ΚΩ = 10³Ω

R = 8.7 × 10³ Ω

Charge, Q = 8.1 μC

For a discharging RC circuit

Q = Q₀ × [tex]e^{-t/RC}[/tex]

(Q/Q₀) =      [tex]e^{-t/RC}[/tex]

8.1/Q = [tex]e^{-0.002/8.7.10^{3}.C }[/tex]

Apply In on both sides,

In(8.1/10) = ln(e⁻2×10⁻³/8.7 × 10³ × C)

ln(0.81) = 2 × 10⁻³/ 8.7 × 10³ × C

-0.210 = 2 × 10⁻³/ 8.7 × 10³ × C

C = 2 × 10⁻³/8.7 × 10³ × 0.210

C = 2 × 10⁻³/ 1.827 × 10³F

C = 1.094 μF

Therefore, the capacitance of the capacitor is 1.094 μF.

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The constellation Dorado can be found in the southern sky is the correct short description of real object.

In the southern hemisphere, the constellation Dorado can be seen . One of the 88 constellations that are currently in existence, it was given a name toward the end of the 16th century. The dolphinfish (Coryphaena hippurus), more commonly referred to as dorado in Spanish, is referred to in the name despite being shown as a swordfish. The remaining portion of the Large Magellanic Cloud is in the constellation Mensa, with the majority of the cloud in the constellation Dorado. The South Ecliptic pole can also be found in this constellation.

Astronomers use the Latin genitive form Doradus to name its stars, giving the Spanish name Dorado; Together with the nearby asterism Argo Navis, it is thought to be a feminine proper name of Greek origin that ends in -. like Argo, Io, or Callisto).

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social mobility, movement of individuals, families, or groups through a system of social hierarchy or stratification.

what is the  transnational organization?

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A vector's length is considered to be its magnitude. A is used to represent the vector's magnitude.

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The angle measured anticlockwise from the +x axis can be used to find vector components as well. In that instance, the x-component and y-component, respectively, will always be cos and sin.

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The velocity of the block immediately after the bullet exits is 0.413 m/s in the direction of the bullet, if the weight of the block is 2.4 kg.

The mass of the bullet,  m₁ = 3 g = 0.003 kg

The mass of the block, m₂ = 2.4 kg

Initial speed of the bullet, v₁ = 510 m/sec

Initial speed of the block, v₂ = 0 (at rest)

Emerging velocity of the bullet, v₃ = 180 m/s

Let the final velocity of the block, = v₄

By the law of conservation of momentum,

m₁v₁ + m₂v₂ = m₁v₃ + m₂v₄

0.003 × 510 + 2.4 × 0 = 0.003 × 180 + 2.4 × v₄

1.53 - 0.54 = 2.4 × v₄

v₄ = 0.99/2.4

v₄ = 0.413 m/s

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The statement that best explains the result is The horseshoes have the same mass, but Drew threw with more force than Blake.

The most likely explanation is that Drew threw the horseshoes harder than Blake, despite the fact that they have the same mass.

A force is an input that can change an object's motion according to physics. An object with mass might travel faster or at a different speed as a result of a force. Forces can also be conceptualized as a push or a pull. A force has strength and direction since it is a vector quantity. It is calculated using the metric newton, a SI unit (N). Newton's second law's original formulation read: "The net force of an item is equal to the rate of change of its momentum over time."

Once Blake leaves when Drew and I play horseshoes, his first horseshoe lands about three-fourths of the way to the target. The next time Drew turns, his horseshoe is off-target. Because of this, even though the two horseshoes have equivalent masses, horseshoe Drew experiences greater force and misses the target.

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D) The astronaut's mass on Mars will be the same as it was on Earth, but their weight will be less on Mars than it was on Earth.

An object's mass is a measure of its amount of matter, and is independent of gravity. The astronaut's mass is 80 kg on both Earth and Mars.

Weight, on the other hand, is the force exerted on an object due to gravity and it is equal to the object's mass multiplied by the acceleration due to gravity.

So the weight of astronaut on Earth will be (80 kg)(9.8 m/s²) = 784 N and on Mars (80 kg)(3.7 m/s²) =296 N. As you can see, the weight of astronaut is less on Mars than it was on Earth.

Explanation:

Clearly A bc A is alwthe correct answer

The potential energy of the system have been observed as 0.7 J.

We know that the potential energy is the energy that is possessed by an object that is found at a given height. The implication of this is that the potential energy depends on the height of the object.

If we decrease the height of the object then the potential energy of the body would also change. We have been told that the mass of the balls are 30 g each hence a total mass of 120 g or 0.12 Kg.

The change in the potential energy is;

0.12 * 9.8 * (0.9 - 0.3)

= 0.7 J

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Electronegativity is a tendency of a atom/element to attract the pair of electrons.

electronegativity order = O>B>Ga

electronegativity order = Mg>Ba>Ca

electronegativity order =P>Ga>Al

electronegativity order =O>C>Al

When an atom of a certain chemical element forms a chemical bond, it has a propensity to draw shared electrons (or electron density). The atomic number and the separation of the valence electrons from the charged nucleus have an impact on an atom's electronegativity. An atom or a substituent group will draw electrons in greater amounts the higher the associated electronegativity. The sign and amplitude of a bond's chemical polarity, which characterizes a bond along the continuous scale from covalent to ionic bonding, can be quantitatively estimated using electronegativity. The inverse of electronegativity is electropositivity, which describes an element's propensity to accept valence electrons.

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19.3 gcm3 19.3 g c m 3 is equivalent to 19300 kgm3 due to the decimal place shifting due to the conversion being in metric measurements.

The amount of objects, including people, animals, plants, and other living things, that are present in a region is known as the density. The number of objects is divided by the area to determine density. The number of inhabitants in a nation divided by its size, measured in square kilometers or miles, is the population density of that nation.

In reference to the amount of matter contained in a thing, density refers to how much volume the object or substance occupies.

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The equivalent resistance of a circuit with one hundred 100-s resistors all connected in parallel combined with a series resistor of 1 s is 0.999Ω.

What is meant by resistor ?

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We must first compute the length of the strip when it is wrapped around the pipe in order to establish the average normal strain in the strip.

The pipe has an exterior diameter of 5.0 inches, making its circumference:

Circumference = diameter * 5.0 inches * circumference = 15.7 inches

Since the rubber strip is stretched around the pipe, its length when stretched equals the pipe's circumference.

Stretched length equals 15.7 inches

Using the following formula, we can now get the strip's average normal strain:

strain is equal to (length changed / length at start)

strain is equal to (15.7 inches - 14.9 inches)/14.9 inches, which equals 0.0541 or 5.41%.

Therefore, the strip's average normal strain is 5.41%.

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The vertical component of acceleration at time tm can be determined by taking the second derivative of the vertical position vector with respect to time.

What is velocity?

Velocity is a vector quantity that measures the rate and direction of change in an object's position. It is typically expressed in units of meters per second (m/s). Velocity is equal to the distance traveled divided by the time it takes to travel that distance. Velocity is also related to acceleration, which is the rate of change of velocity.

At time tm, the vertical component of acceleration for the module would be the derivative of the vertical velocity vector with respect to time, which is the change in vertical velocity over time. This can be calculated by taking the second derivative of the vertical position vector with respect to time. Since the position vector is a function of time, the acceleration can be determined by taking the second derivative of the position vector with respect to time, which is defined as the rate of change of the velocity with respect to time. Therefore, the vertical component of acceleration at time tm can be determined by taking the second derivative of the vertical position vector with respect to time.

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We can say that forces produce changes in velocity because they alter the direction or speed of an object.

The complete question is,

Why do velocities change?

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The supplementary diagrams, which represent option d, accurately show how maximum kinetic energy emax varies with intensity of incident radiations with constant frequency.

In physics, kinetic energy (KE) is the energy that an object has as a result of its motion. It is defined as the effort necessary to move a mass-based body from rest to the given velocity. Zero initial velocity is the state where an object is (u). The fundamental types of kinetic energy include electrical, acoustic, thermal, and radiant energy. Here is a quick glance at them. Radiant power is a type of electromagnetic energy. An event's repetitions per unit of time are what determine its frequency.

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The volume of solid aluminum sphere is 0.00858 cubic meters and mass is 23.16 kg.

The volume of sphere is given by formula : [tex]\frac{4}{3} \pi r^{3}[/tex]

Where,

r = radius of sphere

Given, r = 5 inches = 0.127 meters

Putting this value in above equation we get, Volume= 0.00858 cubic meters.

Given density of aluminum is 2700 kg/m^3

We know that:

Density = Mass / Volume

i.e. Mass = Density * Volume

               = 2700 kg/m^3 * 0.00858 m^3

               = 23.16 kg

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A surface on which all points are at the same potential is referred to as equipotential surface.

When all of the points on a surface have the same electric potential, the surface is said to have an equipotential potential.

An equipotential surface is a surface on which all points are at the same potential. It is a surface of constant potential and a surface where the electric field is always perpendicular to it. It does not necessarily imply a constant electric field, just a constant potential.

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Velocity in x direction remains constant i.e, vx = 10 m/s Now acceleration is 0.

what are the strength and direction of the electric field at the position indicated by the dot in (figure 1)?

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