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A hammer has a mass 2.0kg and is moving horizontally at a speed of 4.0 m/s when it strikes a nail, driving it 2 cm
A hammer has a mass 2.0kg and is moving horizontally at a speed of 4.0 m/s when it strikes a nail, driving it 2 cm farther into piece of wood. a. What was the kinetic energy of the hammer? b. What is the average force exerted on the nail by the hammer?
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