The wheel of a car having radius of 0.7 m is moving with the angular velocities` 10 pi rad//sec`. If `1/2` sec be the time to case it motion by applying break then what distance will that car cover?

The wheel of a car of radius 0.7 m is moving with an angular velocity of 10pi " rad" cdot s^(-1) . If the car is to be brought to rest by applying brakes within (1)/(2) s, what will be the distance covered by the car during that time?

A wheel of mass 5 kg and radius 0.4 m is rolling on a road without sliding with angular velocity 10 rad. s^(-1) . The moment of inertia of the wheel about the axis of rotation is 0.65 kg . m^(2) . What is the percentage of the kinetic energy of rotation in the total kinetic energy of the wheel ?

Velocity of a car along a curved path of radius of curvature 100 m is 36 km cdot h^(-1) . What is the angular velocity of the car?

A solid sphere of mass 1 kg and of radius 10 cm is rotating about one of its diameter with an angular velocity of pi rad . s^(-1) . Calculate the kinetic energy of the sphere by using the relevant formula.

A car is moving eastwards with velocity 10 m/ s. In 20 sec, the velocity changes to 10 m/s north wards. The average acceleration in this time :

A small car and a lorry are moving with the same kinetic energy . Brakes are applied to produce the same force against the motion. Which one will cover a greater distance before stopping ?

A body of mass 2 kg is moving with a velocity of 8 m//s on a smooth surface. If it is to be brought to rest in 4 sec then force to be applied is--------.

A particle is moving along a circular path of radius 2 m with constant angular velocity of 3 rad cdot s^(-1) . Detemine the angular displacement (in rad) of the particle in 3 s.