Chapter 10 – COM, Momentum and Collision

When the spring is compressed to maximum , what fraction of incident the kinetic energy is stored in spring ? what fraction of incident the kinetic energy is stored in spring ? When the spring is compressed to maximum October 22, 2020 Category: Cengage NEET by C.P Singh , Chapter 10 - COM, Momentum and [...]

If blocks collide elastically head – on , the ratio of maximum compression of the left spring and the right spring will be If blocks collide elastically head - on the ratio of maximum compression of the left spring and the right spring will be October 22, 2020 Category: Cengage NEET by C.P Singh , [...]

Two blocks of masses 1kg and 3kg are moving with velocities 2m/s and 1m/s , respectively , as shown. If the spring constant is 75N/m , the maximum compression of the spring is as shown. If the spring constant is 75N/m respectively the maximum compression of the spring is Two blocks of masses 1kg and [...]

A ball of mass m moving with speed v0 strikes a block of mass 3m kept at rest. The collision is completely inelastic . If k is spring constant , the maximum compression of the spring is A ball of mass m moving with speed v0 strikes a block of mass 3m kept at rest. [...]

A ball is dropped from a height of 20m on a floor for which e=1/2. The height attained by the ball after the second collision. A ball is dropped from a height of 20m on a floor for which e=1/2. The height attained by the ball after the second collision. October 22, 2020 Category: Cengage [...]

A body falling from a height of 10m rebounds from hard floor. If it loses 20% energy in the impact, then coefficient of restitution is A body falling from a height of 10m rebounds from hard floor. If it loses 20% energy in the impact then coefficient of restitution is October 22, 2020 Category: Cengage [...]

A ball is dropped from a height h onto a floor and rebounds to a height h/16. The coefficient of restitution between the ball and the floor is A ball is dropped from a height h onto a floor and rebounds to a height h/16. The coefficient of restitution between the ball and the floor [...]

A 2kg ball , moving at 10m/s , collides head – on with a 3kg ball moving in the opposite direction at 20m/s. If the coefficient of restitution is 1/3 , then the energy lost in the collision is A 2kg ball collides head - on with a 3kg ball moving in the opposite direction [...]

A block of mass m moving with speed v0 strikes another particle of mass 2m at rest. If collision is head – on and the coefficient of restitution e=1/2 , then the loss in kinetic energy will be A block of mass m moving with speed v0 strikes another particle of mass 2m at rest. [...]

Two balls of masses 2m and m are moving with speed 2v0 and v0 towards each other. If the coefficient of restitution e=1/3 , the speed of balls , if collision is head – on if collision is head - on the speed of balls Two balls of masses 2m and m are moving with [...]