A Ball with a Mass of 50 G Is Dropped $\times$

question 74

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 $\times$ 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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