How much work is done by the clerk

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Q. A delivery clerk carries a 34 N package from the ground to the 5th floor of an office building, a total height of 15 m. How much work is done by the clerk?

Q. What average force is needed to accelerate 7 gram pellet from rest to 125 m/s over a distance of .8 m along the barrel of a rifle?

Reference no: EM1354986

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