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A Ball with a Mass of 50 G Is Dropped

Question 7

Multiple Choice

A ball with a mass of 50 g is dropped from a point 5.41 m above a sidewalk. The ball is in contact with the sidewalk for 8.1  10-3 s. What is the magnitude of the average force exerted on the ball?


A) 0.12 kN
B) 89 N
C) 9.2 N
D) 0.49 N
E) It cannot be determined without knowing how high the ball bounces.

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