How much work has been done on the spool

Assignment Help Physics
Reference no: EM13498601

A 4.00-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0.500 m and mass 1.00 kg. The spool is mounted on a frictionless axle and is initially at rest. The cord is pulled from the spool with a constant acceleration of magnitude 3.00 m/s2.

(a) How much work has been done on the spool when it reaches an angular speed of 8.40 rad/s?

__________________J

(b) How long does it take the spool to reach this angular speed?

__________________s

(c) How much cord is left on the spool when it reaches this angular speed?

_________________m

Reference no: EM13498601

Questions Cloud

Explain what is the volume of a 12.0g sample of water : what is the volume of a 12.0g sample of water. a piece of gold has a mass of 5.2g and it displaces 4.16 ml of water. calculate its density. which molecule are moving fast on average a swimming pool of water or a cup of water.
Why do international business managers need to be sensitive : Why do international business managers need to be sensitive to account and financial reporting regulations in your country?
What is the area of the circular coil : A 10 turn square coil of area 0.036m squared and a 20-turn circular coil are both placed perpendicular to the same changing magnetic field. What is the area of the circular coil
What is the subsequent angular speed of the wheel : A potter's wheel, with rotational inertia 6.50 , is spinning freely at 16.0 . What is the subsequent angular speed of the wheel
How much work has been done on the spool : A 4.00-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0.500 m and mass 1.00 kg. How much work has been done on the spool when it reaches an angular speed of 8.40 rad/s
Compute the roi : Compute the ROI for both divisions showing the return on sales and investment turnover for the year ended April 2012.
Find the total surface area of his two ears : A juvenile elephant has a mass of 300kg. He wishes to fly using his very large ears. find the total surface area of his two ears
Compute the radial acceleration of a point on the rim : A disk7.97cm in radius rotates at a constant rate of1160rev/min about its central axis. Determine the radial acceleration of a point on the rim
Are companies being socially responsible : Do executives deserve to make around 200 times as much as the average worker and Is it ethical for managers to take large pay increases while laying off employees and when giving them only small raises?

Reviews

Write a Review

Physics Questions & Answers

  Find the predicted value of velocity of the center of mass

you have a 100.00 cm track inclined at 10.000 degrees. You roll a steel ball down the track until it drops off the track and falls 1.0000 m to the floor

  Calculate the radius of the path of a proton

A velocity selector is connected to a mass spectrometer. The electric field in the velocity selector is 950 V/m. Calculate the radius of the path of a proton

  Determine the internal resistance of the battery

When a battery is connected to a 1.75 ? resistor the current flow through the circuit is 0.810 A, Determine the internal resistance of the battery and the voltage supplied by the battery

  What is the average force exerted on person

Some people think that they can stop themselves rushing forward by putting their hands on the dashboard. Find out the mass of the object that has a weight equal to force you just calculated.

  What was the average acceleration of the driver

A car traveling 87km/h strikes a tree. The front end of the car compresses, What was the average acceleration of the driver during the collision

  What is the ratio of the magnitude

A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North, What is the ratio of the magnitude of E2 to the magnitude of E1

  What is the magnitude of the induced current in the coil

The component of the external magnetic field along the central axis of a 50-turn coil of radius 5.6 cm increases from 0 T to 1.8 T in 3.6 s, what is the magnitude of the induced current in the coil

  Find the increase in the tension in the ring

You are given a thin circular ring of radius a that has a charge uniformly distributed on it with a linear charge-density λ. Find the increase in the tension in the ring

  What is the mass of the gas

A simple of helium gas occupies 5 liters at 22degree C and a gauge pressure of 200,000 pascals. What is the mass of the gas

  Determine her average velocities symbolically

An athlete swims the length L of a pool in a time t1 and makes the return trip to the starting poisition in a time t2. (a) If she is swimming initially in the positive x-direction, determine her average velocities symbolically in (a) the first hal..

  Determine the turns ratio of the transformer

A rural power line carries 1.7 A rms at 4700 V. A step down transformer reduces this to 235 V rms to supply a house. Find the turns ratio of the transformer

  Illustrate what were the direction and length of her second

At the end of the run, she is 175 m away from the starting point at an angle of 15.0° north of west. Illustrate what were the direction and length of her second displacement? Use graphical techniques.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd