Multiple Choice
Alex throws a 0.10-kg rubber ball down onto the floor.The ball's speed just before impact is 4.5 m/s,and just after is 3.5 m/s.If the ball is in contact with the floor for 0.02 s,what is the magnitude of the average force applied by the floor on the ball?
A) 40 N
B) 5 N
C) 22.5 N
D) 17.5 N
E) 0.8 N
Correct Answer:
Verified
Correct Answer:
Verified
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