A body .x. with a momentum .p. collides with another identical stationary body .y. one dime-nsionally. During the collision .y. gives an impulse .J. to the body .x.. Then the coefficient of restitution is

A body .x. with a momentum .p. collides with another identical station

1.	A body .x. with a momentum .p. collides with another identical stationary body .y. one dime-nsionally. During the collision .y. gives an impulse .J. to the body .x.. Then the coefficient of restitution is
Answer» `(2J)/(P)-1` `(J)/(P)+1` `(J)/(P)-1` `(J)/(2P)-1` ANSWER :A