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A moving hammer hits a nail and drives it into a wall. If

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QUESTION:

A moving hammer hits a nail and drives it into a wall. If the hammer hits the nail with twice the speed, how much deeper will the nail be driven? If the hammer hits with three times the speed?

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QUESTION:

A moving hammer hits a nail and drives it into a wall. If the hammer hits the nail with twice the speed, how much deeper will the nail be driven? If the hammer hits with three times the speed?

ANSWER:

Step 1 of 3

Work-energy theorem states that

Work is equal to change in kinetic energy We can write it like this

where  is force,  is distance,  is mass, and  is speed.  is before  because speed is changing.

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