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bogdanovich [222]
3 years ago
14

A 0.45-kilogram football traveling at a speed of 22 meters per second is caught by an 84-kilogram stationary receiver. if the fo

otball comes to rest in the receiver's arms, the magnitude of the impulse imparted to the receiver by the ball is
Physics
1 answer:
Troyanec [42]3 years ago
3 0

Impulse = Change in momentum.  
The ball was moving with a momentum of 0.45 * 22 = 9.9  
The ball comes to rest in the receivers arm; this means the ball's final velocity = 0. So mv2 = 0.45 * 0  
The magnitude of the impact is just the change in momentum. 9.9 - (0.45 * 0) = 9.9
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