Asked by Timothy
A hammer with a 500-g head exerts an average force of 810n on a nail speed as it drives the nail 4 mm into wall. What was the speed of the hammer head when it hit the nail?
Answers
Answered by
Damon
work done = change in Ke
(1/2) (.5)(v^2) = 810 * 4 * 10^-3
(1/2) (.5)(v^2) = 810 * 4 * 10^-3
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