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OpenStudy (anonymous):
How much force is needed to stop a 120-kg ice-hockey player if he decelerates at 20 m/s²? A. 240 N B. 2400 N C. 20 N D. 6 N
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OpenStudy (anonymous):
F = m a F = (120 kg) (20 N/kg = 20 m/s^2)
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