The speed of the motor of an engine is 300 rpm. In 2 s, the speed increases to 420 rpm. Calculate the number of revolutions made by the motor.

The angular velocity of a wheel increases from 120 to 480 rpm in 10 s .The number of revolutions made during this time is

The angular frequency of a fan of moment of inertia 0.1kgm^2 is increased from 30rpm to 60rpm when a torque of 0.03Nm acts on it. The number of revolutions made by the fan while the angular frequency is increased from 30rpm to 60rpm

A motor increases its speed from 500 rpm to 1000 rpm in 10 s. Calculate its angular acceleration and the number of revolutions made by it in this time.

The motor of an engine is rotating about its axis with angular velocity of 120 rpm . It comes to rest in 10s , after being switched off. Assuming constant deceleration, calculate the number of revolutions made by it before coming to rest.

The angualr speed of a flywheel making 360 rpm is

The angular velocity of a motor wheel changes from 180 rpm to 300 rpm in 4 seconds. Calculate the no. of revolutions does the engine make during this time.

The angular speed of a motor wheel is increased from 600"rpm" to 1200"rpm" in 4 seconds. Calculate how many revolutions does the engine make during this time.

The angular speed of a flywheel rotating at 90 r.p.m . Is

The angular velocity of a wheel increases from 100 to 300 in 10 s. The number of revolutions made during that time is

A wheel increases its speed from 60 rpm to 120 rpm in 10 s. Number of rotation made by it in 10 s is