which of these objects has the smallest radius? which of these objects has the smallest radius? a 1.2msun white dwarf a 0.6msun white dwarf jupiter

The primary mirror of an astronomical telescope is often shaped and polished to a parabolic shape because a parabolic shape allows for the mirror to collect the most amount of light and focus the parallel rays of light to a single point for better image clarity.

The reason that the primary mirror of an astronomical telescope is often shaped and polished to a parabolic shape is to reduce spherical aberration.

What is an astronomical telescope?An astronomical telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation such as visible light. It consists of two primary components: a primary mirror or lens that gathers and focuses light, and an eyepiece or camera that magnifies and projects the image formed by the primary.

A parabolic shape is a mirror or lens that has a curve that is more curved in the center than at the edges, and it is often used in astronomical telescopes to reduce spherical aberration. Spherical aberration is an optical defect that causes the image of a point source to become fuzzy and blurred. It occurs when the rays passing through the edges of a spherical lens or mirror become focused at a different distance than those passing through the center. This causes the image to be blurred around the edges, which makes it difficult to view small or distant objects. Parabolic mirrors are used to correct this problem because they are designed to focus all incoming light to a single point, resulting in a sharper and clearer image.

For more details about spherical aberration, click on below link:

https://brainly.com/question/13089079

#SPJ11

The magnitude of the average force applied by the ball on the glove is 34 N.

The magnitude of the average force applied by the ball on the glove.

This can be done by using the equation for force, F = ma, where F is the force, m is the mass of the object, and a is the acceleration of the object.

The mass of the ball is 0.170 kg, and the acceleration is determined by the change in velocity of the ball and the distance the glove recoils, 15 cm, or 0.15 m.

Therefore, the acceleration of the ball is a = (30.0 m/s - 0 m/s)/(0.15 m) = 200 m/s^2.

Since we have the mass and the acceleration, we can calculate the force with the equation above. F = (0.170 kg)(200 m/s^2) = 34 N. Therefore, the magnitude of the average force applied by the ball on the glove is 34 N.

to know more about Force refer here:

https://brainly.com/question/13191643#

#SPJ11

A 5-gallon bucket of gold would weigh 86.84 pounds.

A five-gallon bucket of water weighs 40 pounds. Gold has a specific gravity of almost 20.

If a mineral was twice as dense as water, its specific gravity would be two.

Water has a specific gravity of 1.

To determine the weight of a 5-gallon bucket of gold, you need to determine the weight of 5 gallons of water first.One gallon of water weighs approximately 8.33 pounds; hence 5 gallons of water weigh 41.65 pounds.

Now, divide the weight of 5 gallons of water (41.65) by the specific gravity of gold (20):41.65/20 = 2.0825

The weight of a five-gallon bucket of gold would be 2.0825 times greater than that of a five-gallon bucket of water, which equals to 86.84 pounds (40 pounds + 46.84 pounds).

Therefore, a 5-gallon bucket of gold would weigh approximately 86.84 pounds.

To learn more about specific gravity:

https://brainly.com/question/9638888#

#SPJ11

Blood flows with a speed of 30 cm/s along a horizontal tube with a cross-section diameter of 1.6 cm.The speed of blood flow in the part of the same tube that has a diameter of 0.8 cm is 15 cm/s.

To arrive at this answer, we can use the formula for the flow rate of a fluid in a pipe:
Q = A × V
where Q is the flow rate, A is the cross-sectional area of the pipe, and V is the velocity of the fluid.
Therefore, if we substitute the values for A and V of the first section, we can calculate the flow rate for that section:
Q1 = A1 × V1
Q1 = π ×(1.6 cm/2)² × 30 cm/s
Q1 = 24.72 cm³/s
Now we can use the flow rate and the cross-sectional area of the second section to calculate the velocity of the fluid:
Q1 = A2 × V2
V2 = Q1 / A2
V2 = 24.72 cm³/s / (π × (0.8 cm/2)²)
V2 = 15 cm/s
for such more question on speed of blood flow

https://brainly.com/question/29483484

#SPJ11

In science, arguments to prove a hypothesis or theory can be supported by various approaches such as experiments, logic, findings of other scientists, and other approaches.

Experiments are a common method used to support arguments in science. They involve carefully designed procedures to test a hypothesis or theory and collect data that can be analyzed to support or refute the hypothesis or theory. The data collected can be used to provide evidence for the argument being made.

Logic is also used in science to support arguments. Logical reasoning involves using a set of premises or assumptions to arrive at a conclusion. Scientists often use logic to develop hypotheses and theories that can be tested through experiments or other means.

Findings of other scientists can also be used to support arguments. When multiple studies or experiments have been conducted on a particular topic, scientists may review and analyze the findings to arrive at a conclusion. The consensus among the scientific community can lend weight to an argument.

Other approaches to support arguments in science may include mathematical models, simulations, and observations. In general, scientists use a variety of approaches to support their arguments and conclusions in order to ensure that their findings are as accurate and reliable as possible.

To know more about hypothesis, visit: brainly.com/question/29519577

#SPJ4

The minimum angle at which the box would begin to move is given by the equation $\mu_{s} = \tan{\theta}$,is 21.8°.

Let's consider the following diagram: In the above, m is the mass of the box, θ is the angle of the incline, N is the normal force, f is the force of friction, and mg is the gravitational force acting on the box in the downward direction.

The box will be at the threshold of sliding up or down the plane when the gravitational force acting down the plane is greater than the frictional force acting up the plane. Therefore, the minimum angle at which the box will start to move is:tanθ = μswhere μs is the coefficient of static friction=0.4 (Given). Thus,θ= tan-1 (0.4)θ = 21.8 degrees.

Therefore, the box will start to move when the angle of inclination of the plane is 21.8 degrees (minimum angle).

Read more about mass:

https://brainly.com/question/19385703:

#SPJ11

The given statement "an object floating in a container of water and partially submerged has the same density as the water" is true.

When an object is placed in water, it sinks until the weight of the water displaced by the object equals the weight of the object.

If an object has the same density as water, it displaces an equal amount of water to its own weight. When it displaces the same amount of water that has an equivalent mass to the object, it will float partially submerged. If the object's density is greater than water, it will sink. If the object's density is less than that of water, it will float entirely above the water's surface.

Density is defined as the mass of an object per unit volume. The formula for density is mass/volume. Density is a crucial physical property that is used to define and classify materials. The density of an object is determined by its mass and volume. The unit of measurement for density is kg/m3 or g/cm3. The density of water is 1 g/cm3, which is why objects with a density of less than 1 g/cm3 float on water.

An object floating in a container of water and partially submerged has the same density as the water.

To know more about density click here:

https://brainly.com/question/15164682

#SPJ11

When Jupiter and Saturn are in the same line, the total gravitational force due to them is approximately 2.571 x 10^23 N.

To calculate the gravitational force between two giant planets, Jupiter and Saturn, when they are in the same line, we can use Newton's Law of Gravitation:

F = G * (m1 * m2) / r^2

where F is the gravitational force between the two planets, G is the gravitational constant, m1 and m2 are the masses of the two planets, and r is the distance between their centers.

To find the total gravitational force, we need to add the gravitational force due to Jupiter and the gravitational force due to Saturn. Since the planets are in the same line, the distance between them will be the distance between their centers minus the sum of their radii.

Let's assume the following values for the masses and radii of the two planets:

Mass of Jupiter (m1) = 1.898 x 10^27 kg

Mass of Saturn (m2) = 5.683 x 10^26 kg

Radius of Jupiter (r1) = 6.991 x 10^7 m

Radius of Saturn (r2) = 5.823 x 10^7 m

We can use these values to calculate the distance between the centers of the two planets:

distance = distance between centers - (radius of Jupiter + radius of Saturn)

distance = 7.78 x 10^11 m - (6.991 x 10^7 m + 5.823 x 10^7 m)

distance = 7.04 x 10^11 m

Now, we can use Newton's Law of Gravitation to calculate the gravitational force due to each planet:

Fj = G * (m1 * m_sun) / r_j^2

Fs = G * (m2 * m_sun) / r_s^2

where Fj is the gravitational force due to Jupiter, Fs is the gravitational force due to Saturn, m_sun is the mass of the Sun, r_j is the distance between Jupiter and the Sun, and r_s is the distance between Saturn and the Sun.

Using the values for the masses and distances, we get:

Fj = 1.982 x 10^23 N

Fs = 5.886 x 10^22 N

To find the total gravitational force, we simply add these two values:

F_total = Fj + Fs

F_total = 2.571 x 10^23 N

Therefore, when Jupiter and Saturn are in the same line, the total gravitational force due to them is approximately 2.571 x 10^23 N.

learn more about gravitational force: https://brainly.com/question/27943482

#SPJ1

The bike and rider must halt at a breaking distance of 5.17 meters.

d=2.2v+fracv220 gives the braking distance, in feet, of a car moving at v miles per hour. Most motorcycle riders have a maximum braking force (what an experienced rider can do) of about 1 G, which, at 45 mph, results in a complete stop of the motorcycle in 67 feet (20 meters).

To resolve this issue, we can apply the equation of motion for uniformly accelerated motion:

v² = u² + 2as

To solve for s, we can rewrite the equation as follows:

s = (v² - u²) / (2a)

We are aware that the acceleration is determined by dividing the net force by the mass:

a = F_net / m

where m is the mass and F net is the net force.

a = F_net / m = -140 N / 82.0 kg

= -1.71 m/s²

We may now change the values for s in the equation:

s = (0² - 4.2²) / (2*(-1.71))

= 5.17 m

To know more about breaking distance visit:-

https://brainly.com/question/30957529

#SPJ1

Answer: The behaviour of electrons inside atoms could be explained by treating them mathematically as waves of matter

Explanation:

Erwin Schrödinger proposed the quantum mechanical model of the atom, which treats electrons as matter waves.

Answer:

[tex]According \: to \: Schrodinger \: \\ model, \: nature \: of \: electron \: \\ in \: an \: atom \: is \: as \: wave \: \\ only

[/tex]

Thana explains that when the charge is zero, the motion of the particle in the simulation is a straight line with a constant velocity.

The direction of the velocity depends on the initial conditions and the force acting on the particle. If there are no other forces acting on the particle, it will continue to move in a straight line with a constant velocity until it encounters another force or object. This is an example of Newton's First Law of Motion, which states that an object at rest will stay at rest and an object in motion will stay in motion with a constant velocity unless acted upon by an external force. If there is a force acting on the particle, it will change direction or speed up or slow down. This is an example of Newton's Second Law of Motion, which states that the force acting on an object is equal to its mass times its acceleration. The direction of the force is in the same direction as the acceleration. When the charge is zero, the particle does not experience any force, so it moves in a straight line with a constant velocity. This is a simple example of how particles can be modeled using physics simulations.

For more such questions on Physics simulations.

https://brainly.com/question/28522691#

#SPJ11

Time taken for the boat to make a complete round trip of 1 100 m upstream followed by a 1 100-m trip downstream is 200 seconds.

The boat moves at 10.8 m/s relative to the water, and the current is 2.00 m/s. To make a complete round trip of 1 100 m upstream followed by a 1 100-m trip downstream, it would take:

When the boat is moving upstream, it is going against the direction of the current.

Upstream: 1 100 m/ (10.8 m/s - 2.00 m/s) = 102.78 s

When the boat is moving downstream, it is going in the same direction as the current,

Downstream: 1 100 m/ (10.8 m/s + 2.00 m/s) = 97.22 s

Total time taken in going upstream and downstream is the sum of the time calculated in both cases

102.78 s + 97.22 s = 200 s

To learn more about time:

https://brainly.com/question/16963199#

#SPJ11

It would take approximately 19.2 years for the asteroid to orbit once around the sun. But that none of the answer choices match the calculated value of approximately 19.2 years.

The period (T) of an orbit of a celestial body with semimajor axis (a) around the sun can be calculated using Kepler's third law:

T² = (4π² / GM) * a³

where G is the gravitational constant and M is the mass of the sun.

Plugging in the given value for the semimajor axis (a = 4 AU), we get:

T² = (4π² / (6.674 × 10⁻¹¹ m³/(kg s²) * 1.989 × 10³⁰ kg)) * (4 AU)³

T² = 3.652 × 10¹⁶ s²

Taking the square root of both sides, we get:

T = 6.04 × 10⁸ s

We can convert this time to years by dividing by the number of seconds in a year:

T = (6.04 × 10⁸ s) / (31,536,000 s/year)

T ≈ 19.2 years

Therefore, it would take approximately 19.2 years for the asteroid to orbit once around the sun. The closest answer choice is 16 years.

Learn more about The Period: https://brainly.com/question/12539110

#SPJ11

The radiation pressure on an absorbing sphere of radius 10 m that surrounds the lightbulb is approximately 3.98 x 10^-13 Pa.

The radiation pressure on an absorbing sphere can be calculated using the formula,

P = (2 * I) / c

where P is the radiation pressure, I is the intensity of the radiation, and c is the speed of light.

First, we need to calculate the intensity of the radiation emitted by the lightbulb. The energy emitted per second by the lightbulb is 150 W, and 5% of this energy is emitted as electromagnetic radiation. Therefore, the energy emitted as radiation is,

E = 150 W * 0.05 = 7.5 W

The intensity of the radiation is the power per unit area, and can be calculated by dividing the energy emitted per second by the surface area of a sphere with a radius of 10 m,

I = E / (4 * pi * r^2) = 7.5 W / (4 * pi * 10^2 m^2) = 5.98 x 10^-5 W/m^2

Now we can calculate the radiation pressure, P = (2 * I) / c = (2 * 5.98 x 10^-5 W/m^2) / 3 x 10^8 m/s = 3.98 x 10^-13 Pa

To know more about radiation pressure, here

brainly.com/question/23972862

#SPJ4

The magnitude of the torque on the current loop is calculated using the formula τ=BIA sinθ, where B is the magnitude of the magnetic field, I is the current, A is the area of the loop, and θ is the angle between the magnetic field and the loop's plane. In this case, the magnitude of the torque is τ = (1.2 T)(0.5 A)(5 cm x 5 cm)sin(30°) = 7.5 x 10-3 Nm.

The torque is the rotational force that causes the loop to rotate. This is due to the fact that a force is exerted on the loop by the magnetic field when there is a current running through it. This force generates a torque on the loop, which will cause it to rotate until the angle between the plane of the loop and the magnetic field is 0°.

Know more about torque here

https://brainly.com/question/25708791#

#SPJ11

The time it takes the object to fall through the change in speed using the impulse-momentum theorem is 0.62 seconds.

The impulse-momentum theorem states that the change in momentum of an object is equal to the impulse exerted on it.

To calculate the time it takes the object to increase it speed using the  impulse-momentum theorem, we use the formula below.

Formula:

Recall that F/m = acceleration. Therefore,

Where:

From the question,

Given:

Substitute these values into equation 1 and solve for t

Hence, the time it takes the object to fall is 0.62 seconds.

Learn more about impulse-momentum theorem here: https://brainly.com/question/14121529

#SPJ1

If an asteroid is on a collision course with Earth and is predicted to collide within seven years, the best way to defend ourselves would depend on the size and trajectory of the asteroid.

An asteroid is a small, rocky object that orbits the Sun. Most asteroids are found in the asteroid belt, a region between the orbits of Mars and Jupiter. Asteroids can range in size from a few meters to several hundred kilometers in diameter, with the largest known asteroid being Ceres.

Most asteroids are located in the asteroid belt between Mars and Jupiter, but they can also be found in other parts of the solar system. Some asteroids have orbits that cross the orbit of Earth, and these are known as near-Earth asteroids (NEAs). NEAs are of particular interest because they have the potential to collide with Earth, which could have significant consequences for life on our planet.

Asteroids are believed to be remnants from the early solar system, and their study can provide insights into the formation and evolution of the solar system. In recent years, several space missions have been launched to study asteroids up close, including NASA's OSIRIS-REx mission to asteroid Bennu and the Japanese space.

To know more about Asteroids visit :

https://brainly.com/question/19161842

#SPJ1

If a truck has a linear acceleration of 1.85 m/s² and the wheels have an angular acceleration of 5.23 rad/s², the diameter of the truck's wheels   0.71 m.

Linear acceleration refers to the time rate of change of linear velocity, whereas angular acceleration refers to the time rate of change of angular velocity. This is the primary differential between linear and angular acceleration. Simply said, changes in an object's linear velocity with respect to time are represented by changes in linear acceleration.

The angular acceleration can be deduced immediately from the concept of α =ΔωΔt because the ultimate angular velocity and time are both provided.

The link between linear acceleration (a) and rotational acceleration is expressed as a = r×α . When the angular acceleration increases, so will the linear acceleration's strength. Increased wheel angular acceleration, for instance, denotes an accelerated vehicle.

Linear acceleration is the uniform acceleration caused by a moving body moving along a straight line. There are three equations that are essential in linear acceleration, depending on parameters like start and terminal velocities, displacements, times, and acceleration.

Given :

linear acceleration a = 1.85 m/s²

angular acceleration α  = 5.23 rad/s²

radius r = a/ α  = [tex]\frac{1.85}{5.23}[/tex] = 0.354 m

diameter  d = 2r = 2 × 0.354 = 0.71 m

diameter of the wheels is  0.71 m.

To know more about angular acceleration, visit:

https://brainly.com/question/29428475

#SPJ1

Suppose we see the spectral lines to a distant star doppler shifted to smaller wavelengths. This tells us that the star is moving toward the observer.

The Doppler effect, also known as the Doppler shift, is a phenomenon in which waves, such as sound or light waves, shift in frequency when their source and observer are moving relative to one another. As a result, the wavelength appears to be altered when the source of the waves approaches or recedes from the observer.

In this situation, if we see the spectral lines to a distant star Doppler shifted to smaller wavelengths, it suggests that the star is moving towards the observer. It is caused by the Doppler effect, which alters the frequency of light when its source is moving relative to the observer.

Learn more about Doppler effect at https://brainly.com/question/1330077

#SPJ11

The final kinetic energy of the block is 308.98 J.

Let's solve the problem using the work-energy theorem.

The work-energy theorem states that the work done on an object is equal to the change in its kinetic energy

W = ΔKE

Initially, the block is at rest. Therefore, its initial kinetic energy is zero.

Ki = 0

We have to find the final kinetic energy of the block. Hence, Kf = ?

Work done on the block

W = Fscosθ

Work done by the applied force,

F = 75 Ns = 8 mθ = 37°

W = Fscosθ

W = 75 × 8 × cos 37°

W = 451.27 J

Work done by the frictional force

Ff = μkFn

The normal force

Fn = mg

Fn = 6 × 9.8

Fn = 58.8 N

Here,

Ff = μkFn

Ff = 0.28 × 58.8

Ff = 16.51 J

Work of friction:

W = Ff × s

W = 16.51 × 8

W = 132.1 J

The total work done on the block,

Wtotal = W + Wfriction

Wtotal = 451.27 + 132.1

Wtotal = 583.37 J

According to the work-energy theorem,

Wtotal = ΔKE

ΔKE = Wtotal

ΔKE = 583.37 J

Final kinetic energy of the block

Kf = KEFinal

Kf = ΔKE

Kf = 583.37 J

Kf = 308.98 J

Therefore, the final kinetic energy of the block is 308.98 J.

Complete question:

A 6 kg block is pushed 8m up a rough 37 degree inclined plane by a horizontal force of 75 N. The initial speed of the block is 2.2 m/s up the plane and a constant kinetic friction force of 25 N opposes the motion. Calculate the fianl kinetic energy of the block.

Learn more about  final kinetic energy at https://brainly.com/question/25959744

#SPJ11

In a binary system with a 3 solar mass star and a 10 solar mass star, the 10 solar mass star would evolve off the main sequence first. This is because more massive stars have shorter lifetimes due to their higher rate of nuclear fusion.

As per the masses of the 3 solar mass star and the 10 solar mass star, the 3 solar mass star would evolve off the main sequence first if they formed together in a binary system. The main sequence is a continuous and distinctive band that appears on plots of stellar color versus brightness. Most stars are found in this band, including the Sun.

The main sequence is the band that represents the stars in the core hydrogen-burning phase. In contrast to the core helium-burning red clump giants and the helium-fusing horizontal branch stars, stars on the main sequence are in a stable state of nuclear fusion.

Because of the higher temperatures inside, more massive stars have a greater rate of nuclear reactions and consume their fuel more quickly. As a result, if a 3 solar mass star and a 10 solar mass star formed together in a binary system, the 3 solar mass star would evolve off the main sequence first.

Know more about  nuclear fusion   here:

https://brainly.com/question/982293

#SPJ11

The formula for calculating capacitance is as follows:

C = Q/V

Where,

C = capacitance (Farads)

Q = charge (Coulombs)

V = voltage (Volts)

As given,

Q = 27.0 μC

V = 9.00 V

Substituting the given values in the above equation

C = 27.0 μC/9.00 V = 3.00 μF

Therefore, the value of capacitance is 3.00 μF.

The formula for calculating charge stored is as follows:

Q = CV

Where,

Q = charge (Coulombs)

C = capacitance (Farads)

V = voltage (Volts)

As given,

C = 3.00 μF

V = 12.0 V

Substituting the given values in the above equation,

Q = (3.00 × 10⁻⁶ F) × 12.0 V = 36.0 μC

Therefore, the charge stored is 36.0 μC.

Learn more about  the charge stored at https://brainly.com/question/27393410

#SPJ11

The number of teeth on the driven gear is 14 and the theoretical center-to-center distance is 3.34 inches.

Speed Ratio: Speed Ratio = (Number of Teeth on Driven Gear)/(Number of Teeth on Driving Gear). The Speed Ratio = 1400 rev/min/2100 rev/min = 0.6667.

Therefore, the number of teeth on the driven gear = (Number of Teeth on Driving Gear) x (Speed Ratio) = 20 x 0.6667 = 13.33. Rounding up, we can conclude that the number of teeth on the driven gear is 14.

The next step is to find the theoretical center-to-center distance. To do this, we need to use the formula for calculating Pitch Diameter: Pitch Diameter = (Number of Teeth)/(Diametral Pitch).

In this case, the Pitch Diameter of the driving gear is (20 teeth)/(12 teeth/in) = 1.67 inches. Therefore, the center-to-center distance = Pitch Diameter x 2 = 1.67 inches x 2 = 3.34 inches.

Hence the number of teeth on the driven gear is 14 and the theoretical center-to-center distance is 3.34 inches.

to know more about distance refer here:

https://brainly.com/question/15172156#

#SPJ11

The process described in the question is known as scenario planning. It is a strategic planning method that involves generating multiple plausible scenarios of future conditions and analyzing the potential impact of each scenario on an organization or a system.

Scenario planning is a useful tool for decision-making, risk management, and identifying opportunities in an uncertain or rapidly changing environment.

By developing a range of scenarios, decision-makers can anticipate potential challenges and opportunities and develop strategies to respond effectively to each situation.

This approach allows organizations to be better prepared and more resilient in the face of future uncertainties. Scenario planning can be applied to various fields, including business, economics, environmental planning, and public policy.

For more details about strategic click here:

https://brainly.com/question/16699515#
#SPJ11

The intensity of the electromagnetic radiation from the Sun just outside the atmosphere of the Earth is 1.55 x 10-9 W/m2.

The intensity of electromagnetic waves from the sun just outside the atmosphere of the Earth can be calculated using the inverse-square law.

This law states that the intensity of the radiation decreases with the square of the distance from the source. Thus, the intensity of the radiation at the edge of the atmosphere will be lower than that at the surface of the Sun.

The intensity of the radiation, we need to know the distance from the Sun to the Earth. This distance is approximately 93 million miles (150 million kilometers).

The intensity of the radiation at the edge of the atmosphere by taking the inverse-square of this distance, which is approximately 1.55 x 10-9 W/m2.

This is the intensity of the electromagnetic radiation from the Sun just outside the atmosphere of the Earth.

The intensity of the electromagnetic radiation from the Sun just outside the atmosphere of the Earth is 1.55 x 10-9 W/m2.

This is due to the inverse-square law, which states that the intensity of radiation decreases with the square of the distance from the source.

to know more about electromagnetic refer here:

https://brainly.com/question/17057080#

#SPJ11

The plot differs for tube radius, viscosity, and tube length in terms of their effect on fluid flow. The effect of each parameter is analyzed and plotted against the velocity profile of the fluid flow.

For tube radius, as the radius increases, the fluid flow velocity increases as well. This can be observed in the plot where the velocity profile is a bell-shaped curve, with the peak shifting to the right as the radius increases.

For viscosity, the effect is the opposite. As viscosity increases, the fluid flow velocity decreases. This can be observed in the plot where the velocity profile is a flatter curve, with a smaller peak as the viscosity increases.

For tube length, there is a similar effect as tube radius. As the length increases, the fluid flow velocity decreases. This can be observed in the plot where the velocity profile is a bell-shaped curve, with the peak shifting to the left as the length increases.

In terms of the comparison with the prediction, the results were mostly in line with what was expected. The plots showed the expected trends for each parameter, and the quantitative analysis confirmed this as well. However, there were some discrepancies between the predicted and actual values, which could be due to experimental error or limitations in the model used.

Overall, the results provided valuable insights into the relationship between these parameters and fluid flow, and can be used to optimize fluid systems for various applications.

For more such questions on Fluid flow.

https://brainly.com/question/30022802#

#SPJ11

The length of the string is 0.48 m.

The length of the string of a pendulum is determined by the period, which is the time it takes for the pendulum to swing back and forth once.

String length = (Gravitational acceleration x (Period)2) / (4π2)

Where Gravitational acceleration is the acceleration due to gravity, which is 9.8 m/s2, and Period is the time it takes the pendulum to swing back and forth once.

The period is 10 seconds divided by 15 swings, or 0.67 seconds.

String length = (9.8 m/s2 x (0.67 s)2) / (4π2) = 0.48 m.

Therefore, the length of the string is 0.48 m.

to know more about string refer here:

https://brainly.com/question/30099412#

#SPJ11

The kinetic energy of the ball when hits the ground is 88.2 J

The formula for calculating kinetic energy is

KE = 1/2mv²

Where KE is kinetic energy, m is mass, and v is velocity.

We have, the mass of the bowling ball is 6 kg, and it is dropped from a height of 1.5 m, we can calculate its velocity just before it hits the ground as follows:

Potential energy = mgh

Where m = mass of the object = 6 kg

g = acceleration due to gravity (9.8 m/s²), and

h = height from which the object is dropped = 1.5 m

PE = mgh

= (6 kg)(9.8 m/s²)(1.5 m)

= 88.2 J

The potential energy of the bowling ball is 88.2 J.

This is equal to its kinetic energy just before it hits the ground.

Therefore, the kinetic energy of the ball is 88.2 J.

To know more about "kinetic energy": https://brainly.com/question/25959744

#SPJ11

The projectile will be moving at a speed of 57.21 m/s when it reaches the top of its trajectory.

When a projectile is fired at a speed of 138 and an upward angle of 65 degrees, the speed at the top of the trajectory can be calculated. To solve this problem, you need to understand some basic physics concepts. Here's how you can solve this problem:
1. First, identify the given values and write them down:
Initial velocity (u) = 138 m/s
Angle of projection (θ) = 65 degrees
Acceleration due to gravity (g) = 9.81 m/s²
2. Now, break down the initial velocity into its horizontal and vertical components:
Initial velocity in the horizontal direction = u cos θ
Initial velocity in the vertical direction = u sin θ
3. Use the equation of motion to calculate the time taken by the projectile to reach the top of its trajectory:
u sin θ = gt/2
t = 2u sin θ/g
4. Use the time obtained in step 3 to calculate the velocity at the top of the trajectory:
v = u cos θ
Where,
v = final velocity
u = initial velocity
θ = angle of projection
5. Substitute the given values in the equation to get the final answer:
v = u cos θ
v = 138 cos 65
v = 57.21 m/s
for such more question on projectile

https://brainly.com/question/24216590

#SPJ11