Wednesday
December 17, 2014

Homework Help: Physics

Posted by Paula on Monday, August 25, 2014 at 10:21pm.

David, who is 65 kg, is driving his car at a speed of 25 m/s. He sees a dog crossing the road and so he steps on the brake to avoid hitting it. His seatbelt brings his body to a stop in 0.4 s. What magnitude of force does the seatbelt exert on him?

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