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May 23, 2015

Homework Help: Physics

Posted by Sean on Monday, February 21, 2011 at 7:17am.

‎1. A 3kg body moving towards the east with a speed of 5 m/s collides with a 2kg ball originally at rest. After the collision the 3kg body moves in a direction of 25 degrees N of E. If the collision is perfectly elastic Find: a) the magnitude and direction of the velocities of the ball and body after the collision. b) total momentum before and after collsion. c) change in momentum of the ball to the body. d) change in impulse of the ball and the body during collision. The Force of impact of the ball to the body if it collide head on for about 1 min. e) is there any energy lost during the collision.

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