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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?
Questions & Answers
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.