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Mikolitis-Quiz6

# Mikolitis-Quiz6 - EGM 3400 and 3401(circle one Spring 2007...

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EGM 3400 and 3401 (circle one) NAME:_______________________ Spring 2007 Quiz 6 Open book/Closed notes – Time limit = 25 minutes The 1 kg ball A strikes the spring supported 5 kg block B as shown. The coefficient of restitution for the collision is 0.7. Find the speed V and angle θ that the path of the ball A makes with the horizontal just after the collision. Solution: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) 1 2 2 , , 0, 0 2 2 2 0.7 0.7 2 2 5 2 2 6 1.7 0.20035 0.29463 2 tan 22.62 A o A o A B B B n t n t t t B A n n B A o n n A B n n A A B B A A B B o A B n n n n n B o B o A n n n A o n A t v v v v v v v v v v e v v v v v m v m v m v m v v v v v v v v v v
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