A 24-Kg Ball Falling Vertically Hits the Floor with a Speed

question 20

Multiple Choice

A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?

• A)9.6 N s
• B)2.4 N s
• C)6.4 N s
• D)1.6 N s
• E)1.0 N s

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