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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The Answer of 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.

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

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