Asked by sam
A 0.70 kg ball is moving horizontally with a speed of 8.8 m/s when it strikes a vertical wall. The ball rebounds with a speed of 3.7 m/s. What is the magnitude of the change in linear momentum of the ball?
-I am not sure how to honestly to figure this one out.
-I am not sure how to honestly to figure this one out.
Answers
Answered by
bobpursley
final momentum - initial momentum
m(Vf)-m(-Vi)= (notice the negative sign in the second velocityk, it is going opposite to final velocity.
m(Vf)-m(-Vi)= (notice the negative sign in the second velocityk, it is going opposite to final velocity.
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