# Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 30.0 s to speed up from rest to its top speed of 1 rotation every 1.40 s. The astronaut is strapped into a seat 7.50 m from the axis

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### Physics (Circular Motion!!)

Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 30.0 s to speed up from rest to its top speed of 1 rotation every 1.10 s. the astronaut is strapped into a seat 7.40 m from the axis. A) What is the astronaut's tangential ...

### Physics

Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 40.0s to speed up from rest to its top speed of 1 rotation every 1.40s . The astronaut is strapped into a seat 4.50m from the axis. What is the astronaut's tangential acceleration...

### Physics

A centrifuge takes 100 s to spin up from rest to its final angular speed with constant angular acceleration. If a point located 8.00 cm from the axis of rotation of the centrifuge moves with a speed of 150 m/s when the centrifuge is at full speed, how many revolutions does the...

### PHYSICS

To simulate the extreme accelerations during launch, astronauts train in a large centrifuge. If the centrifuge diameter is 13.5m , what should be its rotation period to produce a centripetal acceleration of If the centrifuge diameter is 13.5m , what should be its rotation ...

### physics

To simulate the extreme accelerations during launch, astronauts train in a large centrifuge. If the centrifuge diameter is 13.5m , what should be its rotation period to produce a centripetal acceleration of If the centrifuge diameter is 13.5m , what should be its rotation ...

### PHYSICS!!!

To simulate the extreme accelerations during launch, astronauts train in a large centrifuge. If the centrifuge diameter is 13.5m , what should be its rotation period to produce a centripetal acceleration of If the centrifuge diameter is 13.5m , what should be its rotation ...

### physics

You are designing a centrifuge to spin at a rate of 13,880 rev/min. (a) Calculate the maximum centripetal acceleration that a test-tube sample held in the centrifuge arm 14.6 cm from the rotation axis must withstand. (b) It takes 1 min, 17 s for the centrifuge to spin up to ...

### Physics

We saw in Example 5.7 how a centrifuge can be used to separate cells from a liquid. To increase the speed at which objects can be separated from solution, it is useful to make the centrifuge’s speed as large as possible. If you want to design a centrifuge of diameter 68 cm ...

### Physics

(b)A centrifuge has a maximum rotation rate of 10,000 rpm and can be stopped in 4 seconds. Assume the deceleration is uniform. The centrifuge radius is 8 cm. (i)What is the average angular acceleration of the centrifuge? (2%) (ii)What is the distance that a point ...

### physics

A centrifuge takes 1 minute to turn through 20 complete revolutions before reaching it's final speed. What is the angular acceleration (assumed constant) and what was it's final angular speed in rpm? How do I solve this without knowing the radius of the centrifuge?

### Physics

Find the centripetal acceleration at the top of a test tube in a centrifuge, given that the top is 4.5 from the axis of rotation and that its linear speed is 76 .

### Physics

A centrifuge in a medical laboratory rotates at an angular speed of 3500 rpm (revolutions per minute). When switched off, it rotates 70.0 times before coming to rest. Find the constant angular acceleration of the centrifuge. (Assume the initial direction of rotation is the ...

### Physics HELP!

A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/ min. When switched off, it rotates through 41.0 revolutions before coming to rest. (a) Find the angular speed in rad/s. (b) Find the displacement in radians. (c) Find the constant angular ...

### physics

A centrifuge in a medical laboratory rotates at an angular speed of 3800 rev/min. When switched off, it rotates through 46.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge. in 1 rad/s2

### physics

A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge in rad/s^2.

### physics

A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge.

### Physics- Elena please help!!!!

A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/ min. When switched off, it rotates through 41.0 revolutions before coming to rest. (a) Find the angular speed in rad/s. (b) Find the displacement in radians. (c) Find the constant angular ...

### Physics

A centrifuge is spinning at 3600 rev/min, and when turned off, it rotates 50 times before coming to a stop. A) What is the initial angular velocity? B) What is the angle (in radians) that the centrifuge passes through before stopping? C) What is the angular acceleration? D) ...

### Physics

A centrifuge is spinning at 3600 rev/min, and when turned off, it rotates 50 times before coming to a stop. A) What is the initial angular velocity? B) What is the angle (in radians) that the centrifuge passes through before stopping? C) What is the angular acceleration? D) ...

### Physics

A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a large angular speed. Suppose that after a centrifuge in a medical laboratory is turned off, it ...

### physics

1. A centrifuge in a medical laboratory rotates at an angular speed of 3650 rev/min. When switched off, it rotates through 50.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge. 2. A ball of mass 0.120 kg is dropped from rest from a ...

### Physics

A washing machine needs 17.9 s to speed up from rest to top speed of 5 rotation for every 2.78 s. If the damp cloths inside are 7.13 cm from the center, what is it's radial acceleration at top speed?

### Physics

A model rocket rises with constant acceleration to a height of 3.1 m, at which point its speed is 26.0 m/s. A.) How much time does it take for the rocket to reach this height? B.) What was the magnitude of the rocket's acceleration? C.) Find the height of the rocket 0.15 s ...

### physics

A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a large angular speed. Suppose that after a centrifuge in a medical laboratory is turned off, it ...

### Physics

The frequency of a centrifuge is 60 Hz and its radius is 0.15 m. What is the centripetal acceleration of an object in the centrifuge at a distance of 0.15 m from the center?

### Physics

A typical laboratory centrifuge rotates at 4100 rpm. Test tubes have to be placed into a centrifuge very carefully because of the very large accelerations. (a) What is the acceleration at the end of a test tube that is 11 cm from the axis of rotation? dropped from a height of ...

### Physics

How to solve? 2. A 70.0 kg astronaut is training for accelerations that he will experience upon reentry. He is placed in a centrifuge (r = 10.0 m) and spun at a constant angular velocity of 16.3 rpm. Answer the following: a. What is the angular velocity of the centrifuge in ...

### physics

A typical red blood cell has a mass of 3.0 10-16 kg. A blood sample placed in a centrifuge is subjected to a force of 4.6 10-11 N when the centrifuge is operated at 138 rev/s. What is the diameter of the centrifuge?

### physics

A centrifuge is revolving at the rate 10,000rpm. The radius of revolution for a 0.100-g particle being separated is 8.00 cm. a) Identify the given quantities with their symbols and units. b) What is the angular speed in radians per second? c) What is the linear speed in meters...

### Physics

A large centrifuge is used to expose aspiring astronauts to accelerations similar to those experienced in rocket launches and atmospheric reentries. a) At what angular velocity is the centripetal acceleration 10 gs if the rider is 10.0 m from the center of rotation? (b) The ...

### Physics

(b)A centrifuge has a maximum rotation rate of 10,000 rpm and can be stopped in 4 seconds. Assume the deceleration is uniform. The centrifuge radius is 8 cm. What is the distance that a point on the rim travels during deceleration?

### Physics

An advertisement claims that a centrifuge can produce a radial acceleration of 3,524g at 4,608 rev/min. Calculate the required radius of the centrifuge.

### Physics

Pilots can be tested for the stresses of flying high-speed jets in a whirling "human centrifuge," which takes 1.8 min to turn through 21 complete revolutions before reaching its final speed. 1. What is the angular acceleration?(rev/min^2) 2. What is the final angular speed in ...

### Physics

A centrifuge can be used to separate cells from a liquid. To increase the rate at which objects can be separated from solution, it is useful to make the centrifuge's speed as large as possible. If you want to design a centrifuge of diameter 1.4 m to have a force of 128,000 ...

### physics help ; )

1.(a)A centrifuge accelerates from rest with an angular acceleration of 30rad/s^2.What is the angular velocity of the centrifuge after 30s?(b)The angular velocity of an auto mobile engine accelerates from 800rpm to 3000rpm in 15s.calaculate the engines angular acceleration. ...

### physics

Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.5×104 times the acceleration of gravity. The distance from the axis of rotation to the bottom of the test tube is 8.0 .

### Physics

Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.1×104 times the acceleration of gravity. The distance from the axis of rotation to the bottom of the test tube is 7.7 .

### physics

Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.4×104 times the acceleration of gravity. The distance from the axis of rotation to the bottom of the test tube is 7.9cm.

### Physics

An astronaut is inside a rocket that is blasting off vertically from the launch pad. You want this rocket to reach the speed of sound (331 m/s) as quickly as possible, but you also do not want the astronaut to black out. Medical tests have shown that astronauts are in danger ...

### Physics I

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 61.2° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 20.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 57.6¡ã above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 25.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 64.7¡ã above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 25.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 59.7° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 28.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 68.0° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 26.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 68.6° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 26.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 70.0 m/s from ground level, at an angle of 40.0 ° above the horizontal. The rocket is fired toward an 14.0-m high wall, which is located 21.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 91.0 m/s from ground level, at an angle of 49.0 ° above the horizontal. The rocket is fired toward an 21.4-m high wall, which is located 25.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 91.0 m/s from ground level, at an angle of 49.0 ° above the horizontal. The rocket is fired toward an 21.4-m high wall, which is located 25.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 54.0 m/s from ground level, at an angle of 63.0 ° above the horizontal. The rocket is fired toward an 52.8-m high wall, which is located 37.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### Physics

A rocket is fired at a speed of 50.0 m/s from ground level, at an angle of 46.0 ° above the horizontal. The rocket is fired toward an 18.7-m high wall, which is located 23.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### Physics

A rocket is fired at a speed of 96.0 m/s from ground level, at an angle of 35.0 ° above the horizontal. The rocket is fired toward an 15.2-m high wall, which is located 32.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 60.0º above the horizontal. The rocket is fired toward an 15.0 m high wall, which is located 27.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 66.0 m/s from ground level, at an angle of 63.0 ° above the horizontal. The rocket is fired toward an 31.2-m high wall, which is located 28.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### Physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 56.3 ° above the horizontal. The rocket is fired toward an 11.0-m high wall, which is located 21.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### physics

A rocket is fired at a speed of 92.0 m/s from ground level, at an angle of 33.0 ° above the horizontal. The rocket is fired toward an 13.4-m high wall, which is located 26.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### henry ford

A rocket is fired at a speed of 74.0 m/s from ground level, at an angle of 68.0 ° above the horizontal. The rocket is fired toward an 49.8-m high wall, which is located 32.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### Physics

How fast (in rpm) must a centrifuge rotate if a particle 8.55 cm from the axis of rotation is to experience an acceleration of 1000 g's? (use 9.8 m/s^2) You may assume constant angular velocity.

### Physics

On a planet that has no atmosphere, a rocket 14.2 m tall is resting on its launch pad. Freefall acceleration on the planet is 4.45 m/s2. A ball is dropped from the top of the rocket with zero initial velocity. (a) How long does it take to reach the launch pad? (b) What is the ...

### physics

A rocket is fired at a speed of 70.0 m/s from ground level, at an angle of 40.0 ° above the horizontal. The rocket is fired toward an 14.0-m high wall, which is located 21.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

### Physics

A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30 m/s^2. At 10.0 s after blastoff, the engines suddenly fail, which means that the force they produce instantly stops. How high above the launch pad will the rocket eventually go? got ...

### Physics

A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30 . At 10.0 after blastoff, the engines suddenly fail, which means that the force they produce instantly stops. How high above the launch pad will the rocket eventually go? Find the ...

### physics

How fast (in ) must a centrifuge rotate if a particle 8.00 from the axis of rotation is to experience an acceleration of 117000 's?

### physics

Human blood contains plasma, platelets, and blood cells. To separate the plasma from other components, centrifugation is used. Effective centrifugation requires subjecting blood to an acceleration of 2000g or more. In this situation, assume that blood is contained in test ...

### physics

revolving astronomer are subjected to acceleration by force the centripetal force against the centrifuge the radius of the centrifuge is 10 M .Calculate centripetal force on an astronaunt of mass 9.9 KG?

### college

How fast (in rpm) must a centrifuge rotate if a particle 8.2 cm from the axis of rotation is to experience an acceleration of 200000 g 's?

### Physics

How fast (in rpm ) must a centrifuge rotate if a particle 8.00 from the axis of rotation is to experience an acceleration of 117000g's?

### AP Physics

How fast (in rpm) must a centrifuge rotate if a particle 6.0 cm from the axis of rotation is to experience an acceleration of 130000 g's

### Physics

a blood centrifuge starts from rest and attains a rotational speed of 3400 rpm after 50 seconds. 1) determine average angular acceleration of the centrifgue 2) a 3ml blood sample is contained in a test tube at distance 37.5mm from the centreline. Calculate average centripetal ...

### physics

hi i have a physics question i don't understand here is the question A sample of blood is placed in a centrifuge of radius 15 cm. the mass of the corpuscle is 3.0*10^-16 kg, and the magnitude of the force required to make it settle out of the plasma is 4.0X10^-11 N. At how ...

### Physics

What angular speed (in revolutions/second) is needed for a centrifuge to produce an acceleration of 1000g at a radius arm of 15.0cm?

### Physics

What angular speed (in revolutions/second) is needed for a centrifuge to produce an acceleration of 1000g at a radius arm of 15.0cm?

### physics

A laboratory centrifuge on earth makes n rpm and produces an acceleration of 3.20 g at its outer end. A) What is the acceleration (in g's, i.e., acceleration divided by g) at a point halfway out to the end? B) This centrifuge is now used in a space capsule on the planet ...

### Physics

How fast (in rpm) must a centrifuge rotate if a particle 9.00cm from the axis of rotation is to experience an acceleration of 115,000g's?

### Physics

The Spent Rocket Parts: During launches, rockets often discard parts. A certain rocket starts from rest on the launch pad and accelerates upward at a steady 3.3 m/s2. When it is 235 m above the launch pad, the rocket discards a used fuel canister by simply disconnecting it. ...

### physics

A centrifuge in a medical laboratory rotates at an angular speed of 3300 rev/ min. When switched off, it rotates through 59.0 revolutions before coming to rest. (a) Find the angular speed in rad/s.

### college physics

How fast (in rpm) must a centrifuge rotate if a particle 9.50 cm from the axis of rotation is to experience an acceleration of 113000 g's? Need help please.

### Physics

How do you solve this problem? How fast (in rpm) must a centrifuge rotate if a particle 9.00cm from the axis of rotation is to experience an acceleration of 115,000 g's?

### physics

A certain centrifuge produces a centripetal acceleration of magnitude exactly 1090g at a point 12.3 cm from the axis of rotation. Find the number of revolutions per second.

### physics

a certain centrifuge produce a centripetal acceleration of magnigtude exactly 1410g at a point 12.3 cm from the axis of rotation. find the number of revolutions per second

### Physics

A model rocket is launched from rest with an upward acceleration of 6.30 m/s2 and, due to a strong wind, a horizontal acceleration of 1.50 m/s2. How far is the rocket from the launch pad 5.30 s later when the rocket engine runs out of fuel?

### physic

Consider a rocket in space that ejects burned fuel at a speed of 1.5 km/s with respect to the rocket. The rocket burns 9 % of its mass in 310 s (assume the burn rate is constant). (a) What is the speed of the rocket after a burn time of 155.0 s? (suppose that the rocket starts...

### Physics

Consider a rocket in space that ejects burned fuel at a speed of vex= 2.0 km/s with respect to the rocket. The rocket burns 8 % of its mass in 300 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 150.0 s? (suppose that the rocket...

### physics

I really need help with these questions. My teacher doesn't provide me with anything to go on only some formulas and maybe 3 examples. It would be greatly appreciated! 1. Find the speed of a rock which is thrown off the top of a 20 m tall building at 15 m/s when it makes ...

### PHYSICS(elena)

Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 8 % of its mass in 280 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 140.0 s? (suppose that the rocket...

### physics

A model rocket is launched from rest with an upward acceleration of 5.50 m/s^2 and, due to a strong wind, a horizontal acceleration of 1.50m/s^2 . How far is the rocket from the launch pad 7.20 later when the rocket engine runs out of fuel?

### physics

a model rocket rises with constant accerleration to a height of 3.2 m, at which point its speed is 26.0 m/s. (a) how much time does it take for the rocket to reach this height? (b) what was the magnitude of the rocket's acceration? (c) find the height and speed of the rocket 0...

### Physics

A 360 g model rocket is on a cart that is rolling to the right at a speed of 2.5 m/s. The rocket engine, when it is fired, exerts an 8.5 N thrust on the rocket. Your goal is to have the rocket pass through a small horizontal hoop that is 20 m above the launch point. At what ...

### PHYSICS IMP PLS

Consider a rocket in space that ejects burned fuel at a speed of v_ex= 2.0 km/s with respect to the rocket. The rocket burns 10 % of its mass in 290 s (assume the burn rate is constant). (a) What is the speed of the rocket after a burn time of 145.0 s? (suppose that the rocket...

### physic (PLEASE READ)

a model rocket rises with constant accerleration to a height of 3.2 m, at which point its speed is 26.0 m/s. (a) how much time does it take for the rocket to reach this height? (b) what was the magnitude of the rocket's acceration? (c) find the height and speed of the rocket 0...

### Classical Mechanics Physics

Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 6 % of its mass in 310 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 155.0 s? (suppose that the rocket...

### physics

2 runners accelerate from rest to their top speeds. The 1st runner pat has an acceleration of 5.9 m/s^2 and reaches her top speed in 4 sec. The second runner steven accelerates at 4.4m/s^2 and takes 6.5 sec to reach his top speed the 2 runners run flat out for the remainder of...

### physics

A centrifuge has an inertia rotation of 7.24 * 10-3 kilogramsm2. How much energy must be supplied to take it from rest to 419 rad / s? KE = (1/2)(7.24 * 10-3)(419^2) is this correct.

### intro to physics

a toy rocket moving vertically upward passes by a 2.2m- high window whose sill is 7.0m above the ground. the rocket takes 0.17s to travel the 2.2m height of the wondow part a): what was the launch speed of the rocket ? assume the propellant is burned very quickly at blastoff ...

### Physics

A 10.2 kg weather rocket generates a thrust of 200N. The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 500N/m, is anchored to the ground. a) Initially before the engine is ignited, the rocket sits at ...

### physics

A sample of blood is placed in a centrifuge of radius 20.0 cm. The mass of a red blood cell is 3.0 10-16 kg, and the magnitude of the force acting on it as it settles out of the plasma is 4.0 10-11 N. At how many revolutions per second should the centrifuge be operated?

### physics!

A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...

### Physics

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...

### Physics

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...

### Physics!!

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...