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December 19, 2014

Homework Help: physics

Posted by Miriam on Sunday, April 8, 2012 at 2:27pm.

A man (mass = 78.6 kg) is jogging through the woods and runs straight into a large oak tree at 6.1 m/s. Rebound speed is measured at 5.2 m/s in the opposite direction. If the time of contact with the tree is 0.041s, what is the magnitude of the force that the tree exerts on the man?

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