A 0140-Kg Baseball Is Dropped and Reaches a Speed of 1

question 85

Multiple Choice

A 0.140-kg baseball is dropped and reaches a speed of 1.20 m/s just before it hits the ground. It rebounds with a speed of 1.00 m/s. What is the change of the ball's momentum?

• A) 0.0280 kg∙m/s upwards
• B) 0.0280 kg∙m/s downwards
• C) 0.308 kg∙m/s upwards
• D) 0.308 kg∙m/s downwards
• E) 0 kg∙m/s

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