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For …... collision, restitution coeffici...

For …... collision, restitution coefficient is 1.

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complete elastic collision
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For complete inelastic collision, restitution coefficient e = …...

Statement-1 : For any collision, coefficient of restitution (e0 lies between 0 and 1. Statement-2 : This is because no collision may be 100% elastic or 100% inelastic.

A block of mass 5 kg moves from left to right with a velocity of 2ms^(-1) and collides with another block of mass 3 kg moving along the same line in the opposite direction with velocity 4 ms^(-1) . (i) If the collision is perfectly elastic, determine velocities of both the blocks after their collision. (ii) If coefficient of restitution is 0.6, determine velocities of both the blocks after their collision.

A particle of mass 2kg moving with a velocity 5hatim//s collides head-on with another particle of mass 3kg moving with a velocity -2hatim//s . After the collision the first particle has speed of 1.6m//s in negative x-direction, Find (a) velocity of the centre of mass after the collision, (b) velocity of the second particle after the collision. (c) coefficient of restitution.

A ball collides with a frictionless wall with velocity u as shown in the figure. Coefficient of restitution for the impact is e. (a) Find expression for the velocity of the ball immediately after the impact. (b) If impact is perfectly elastic what do you observe?

Statement-1 : The coefficient of restitution is less than one for all collision studied under Newton's laws of restituation. and Statement-2 : For a perfeclty elastic collision, coefficient of restitution is equal to one .

In a head on collision between two identical particles A and B moving on a horizontal surface, B is stationary and A has momentium P_(0) before impact. Due to the impact, A receives an impulse I. Then coefficient of restitution between the two is :

In a head on collision between two identical particles A and B moving on a horizontal surface, B is stationary and A has momentum P_(0) before impact. Due to the impact, A recieives an impulse I. Then coefficient of restitution between the two is :

Two identical balls moving in opposite directions in free space collide head on. How they will move after the impact, is decided by coefficient of restitution. For different coeffecients of restiution, few possible outcomes are shown in the following figures. Which of the above outcomes are physically possible for a collision?

Two masses m and 2m are placed in fixed horizontal circular smooth hollow tube of radius r as shown. The mass m is moving with speed u and the mass 2m is stationary. After their first collision, the time elapsed for next collision. (coefficient of restituation e = 1//2 )