Tuesday, January 19, 2010

A 5.4 lb hammer head, traveling at 4.5 ft/s strikes a nail ?

It is brought to a stop in 0.00073 s.


The acceleration of gravity is 32 ft/s ^2.


What force did the nail receive? Answer in units of lb.


Please help!!!!A 5.4 lb hammer head, traveling at 4.5 ft/s strikes a nail ?
force = 24.3 newtons

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