Question

A hockey puck B rests on a smooth ice surface.It is struck by a second puck.A equal mass travelling after collision.A moves in a direction 30° from its original direction and B also in a direction 45° original direction of A
a)compute the speed of each puck after collision
b)Is the collision perfectly elastic?If not what fraction of original kinetic energy of puck A is lost?​

Answer 1

Explanation:

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