Q1 a 80-g ball collides elastically with a 350-g ball that

Reference no: EM13354446

Q1. A 80-g ball collides elastically with a 350-g ball that is at rest. If the 80-g ball was travelling in the positive x-direction at 5.85 m/s before the collision, what are the velocities of the two balls after the collision?

Q2. A rifle with a barrel length of 62 cm fires a 12 g bullet with a horizontal speed of 460 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 15 cm.

How long does it take the bullet to come to rest?

Reference no: EM13354446

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