A marble of mass 2m travelling at 6 `cm//s` is directly followed by anoother marble of mass m with double speed. After collision, the heavier one travels with the average initial speed of the two. Calculate the coeficient of restitution.

A ball of mass 5 kg travelling with velocity of 15 cm/s makes a head on collision with another ball of mass 1 kg which is at rest. After the collision, the speed of the lighter ball is

A mass 2m moving with some speed is directly approaching another mass m moving with double speed. After some time, they collide with coefficient of restitution 0.5 Ratio of their respective speeds after collision is

A particle of mass m moving in the x direction with speed 2v is hit by another particle of mass 2m moving in they y direction with speed v. If the collision is perfectly inelastic, the percentage loss in the energy during the collision is close to :

A moving block having mass m, collides with another stationary block having mass 4m. The lighter block comes to rest after collision. When the initial velocity of the lighter block is v, then the value of coefficient of restitution (e) will be

Choose the correct options A ball of mass 5 kg travelling with velocity of 15 cm//s makes a head on collision with another ball of mass 1 kg which is at rest. After the collision, the speed of the lighter ball is____ A. zero B. less than 15 c m / s C. equal to 15 c m / s D. greater than 15 c m / s

Choose the correct options A block of mass m moving at a speed of u collides with another block of mass 2 m at rest. The lighter block comes to rest after the collision. The coefficient of restitution is

Choose the correct options A mass 2 m moving with some speed is directly approaching another mass m moving with double speed. After some time, they collide with coefficient of restitution 0.5. Ratio of their respective speeds after collision is__ A. 2 / 3 B. 3 / 2 C. 2 D. 1 / 2

A body of mass 2 kg travels with a velocity of 8 m//s makes a head on collision with another body having mass 4 kg, which is travelling in the same direction with a velocity of 1 m//s . Calculate the velocities of the two bodies after collision. Find the loss in kinetic energy of the system. (Given e = 0.5)

On a friction surface a block a mass M moving at speed v collides elastic with another block of same mass M which is initially at rest . After collision the first block moves at an angle theta to its initial direction and has a speed (v)/(3) . The second block's speed after the collision is

Choose the correct options A body of mass 2 kg, travelling at 4 m//s makes a head-on collision with a body of mass 1 kg travelling in the opposite direction with a velocity of 2 m//s , the velocities of the two bodies after collision are____ A. v 1 = 6 m / s , v 2 = 6 m / s B. v 1 = 0 , v 2 = 0 C. v 1 = 0 m / s , v 2 = 6 m / s D. v 1 = 6 m / s ,v 2 =0