What is the average power of the flywheel

Assignment Help Physics

Reference no: EM13657830

The angular momentum of a flywheel having a rotational inertia of 0.250 kg·m2 concerning its central axis decreases from 2.40 to1.000 kg·m2/s in2.00 s.

a) What is the magnitude of the average torque acting on the flywheel about its central axis through this period? _____N*M

b) Assuming a uniform angular acceleration, during what angle does the flywheel turn?

___rad

c) How much work is done on the wheel? _____J

d) What is the average power of the flywheel? _____W

Reference no: EM13657830

Questions Cloud

Estimate the average number of atoms comprising a bacterium : Estimate the average number of atoms comprising a bacterium for example Escherichia coli. Assume that the bacterium is a cylinder of 2mum length, 0.5mum diameter (and for practical purposed is made up mainly of water, which has a density of 1kg/liter..

What is the change in momentum of the ball : A 3.0 kg ball has a velocity of 25 m/s downward now before it strike the ground and bounces up with a velocity of25 m/s upward, What is the change in momentum (impulse) of the ball?

Bicycle wheel has an initial angular velocity : A bicycle wheel has an initial angular velocity of 7.2 rad/s. After turning during one-half of a revolution, the angular velocity is reduced to 2.2 rad/s. If the angular acceleration of the wheel is constant through the motion, how long will it take ..

What is the coefficient of kinetic friction : A 90.0 kilogram box of book slides from rest down a frictionless incline from a height of 5.0 m. A constant frictional force, introduced at point A, then brings the box to rest at point B which is located 19.0 m to the right of point A.

What is the average power of the flywheel : The angular momentum of a flywheel having a rotational inertia of 0.250 kg·m2 concerning its central axis decreases from 2.40 to1.000 kg·m2/s in2.00 s. What is the magnitude of the average torque acting on the flywheel about its central axis through ..

A pen contains a spring with a spring constant : A pen contains a spring with a spring constant of 231 N/m. When the tip of the pen is in its retracted position; the spring is compressed 5.70 mm from its unstrained length. In order to push the tip out and lock it into its writing position, the spri..

Star converted every bit of its mass into energy conversion : If a star converted every bit of its mass into energy the conversion efficiency would be 100%. But, the sun converts hydrogen into helium with an efficiency of only 0.7%. The sun has a, ass of 2X10^30kg. How long will the sun live if it changes all o..

An object on a horizontal spring oscillates by a period : An object on a horizontal spring oscillates by a period of 1 s. If the object is suspended from the spring vertically, by how much is the spring stretched from its natural length when the object is in equilibrium?

A simple pendulum is swinging back : A simple pendulum is swinging back and forth during a small angle, its motion repeating every 1.15 s. How much longer must the pendulum be made in order to increase its period by 0.20 s?

User Account

All Pages