Answered

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A horizontal force of 300.0 N is used to push a 145-kg mass 30.0 m horizontally in 3.00 s.
(A) Calculate the work done on the mass.
(B) Calculate the power developed.

Sagot :

AL2006

Work = (force) x (distance)

Work = (300 N) x (30 m) = 9,000 joules

Power = (work) / (time)

Power = (9,000 joules) / (3 sec) = 3,000 watts

Oops.  I didn't use the mass of the 145-kg object.
Probably because I didn't need it.


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