if 600J of energy is spent in increasing the speed of a wheel from 60 rpm to 240 rpm ,the M.I 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 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

A constant torque of 20 Nm is exerted bri a pivoted wheel for 10 seconds during which" time' the angular velocity of the wheel changes from 0 to 100 rpm. When the external torque is removed'it is stopped by friction in 100 s. Find (i) the MX of the wheel and (ii) the fiictional torque ?

The angular speed of the wheel of a vehicle is increased from 360 rpm to 1200 rpm in 14 second Its angular acceleration is

Calculate the work done in increasing the angular velocity of a wheel of moment of inertia 200 kg m_2 from 20 rev/s to 40 rev/s.

A certain bicycle can go up a gentle incline with constant speed when the frictional force of ground pushing the rear wheel is F_(2) = 4 N . With what force F_(1) must the chain pull on the sprocket wheel if R_(1) = 5m and R_(2) = 30m ?

A constant horizontal force of 10 N is applied at the centre of a wheel of mass 10 kg and radius 0.30 m . The wheel rolls without slipping on the horizontal surface, and the acceleration of the centre of mass is 0.60 m//s^(2) . a. What are the magnitude and direction of the frictional force on the wheel? b. What is the rotational inertia of the wheel about an axis through its centre of mass and perpendicular to the plane of the wheel?

The angular frequency of a fan increases uniformly from 30 rpm to 60 rpm in pi second. A dust particle is present at a distance of 20 cm from axis of rotation. The tangential acceleration of the particle is :

A wheel of moment of inertia 0.10 kg-m^2 is rotating about a shaft at an angular speed of 160 (rev)/(min) . A second wheel is set into rotation at 300 rev/minute and is coupled to the same shaft so that both the wheels finally rotate with as common angular speed of 200 rev/minute. Find the moment of inertia of the second wheel.

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 ?