Asked by sorie

A tired squirrel (mass of 1kg) does push-ups by applying a force to elevate it's center of mass by 5cm. Determine the number of push-ups which a tired squirrel must do in order to do a mere 5.0joules of work.
Answered by R_scott
the squirrel's weight is ... m g = 9.8 N

work = force * distance = 9.8 * .05 * p = 5.0 J

solve for p (the number of push-ups)
Answered by hatdog
A tired squirrel (mass of approximately 1 kg) does push-ups by applying a force to elevate its center-of-mass by 5 cm in order to do a mere 0.50 Joule of work. If the tired squirrel does all this work in 2 seconds, then determine its power.
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