If 600 J of energy is spent in increasing the speed of a wheel from 60 rpm to 240 rpm, the moment of inertia of the wheel is (`pi^(2)`=10)

An energy of 484 J is spent in increasing the speed of a flywheel from 60 rpm to 360 rpm. Calculate moment of inertia of flywheel.

The flywheel of a gasoline engine is required to give up 300 J of kinetic energy while its angular velocity decreases from 600 rev min^(-1) to 540 rev. min^(-1) . What is the moment of inertia of the flywheel ?

A wheel is rotating at a speed of 1000 rpm and its KE is 10^(6) J . What is moment of inertia of the wheel about its axis of rotation ?

A wheel of radius 0.4m can rotate freely about its axis as shown in the figure. A string is wrapped over its rim and a mass of 4 kg is hung. An angular acceleration of 8 rad//s^(2) is produced in it due to the torque. Then, the moment of inertia of the wheel is ( g=10m//s^(2) )

A mass m=1 kg hangs from the wheel of radius R=1 m .When released from rest the mass falls through a height h= 2 m in 1 second.The moment of inertia of the wheel is [g=10 m/ s^ 2 ]

A disc is made to rotate about a vertical axis at the rate of 300 rpm. A small piece of putty of mass 5 g falls vertically on the disc at a distance of 4 cm from the axis. Now the number of revolutions per minute is reduced to 240 rpm. What is the moment of inertia of the disc?

An autmobile moves on road with a speed of 54 km//h . The radius of its wheel is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg m^(2) . If the vehicle is brought to rest in 15 s , the magnitude of average torque tansmitted by its brakes to the wheel is :

A fly wheel is rotating at a speed of 160 r.p.m. whose weight is 20 kg and its centre of mass at a distance of 0.01 m from the axis of rotation. Calculate : moment of inertial of the fly wheel.

A wheel rotating at an angular speed of 20 rad/s is brought to rest by a constant torque in 4.0 seconds. If the moment of inertia of the wheel about the axis of rotation is 0.20 kg-m^2 find the work done by the torque in the first two seconds.

The angular speed of a motor wheel is increased from 1200 rpm to 3120 rpm in 16 seconds. The angular acceleration of the motor wheel is a) 2 π rads−2 b) 4 π rads−2 c) 6 π rads−2 d) 8 π rads−2