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 A sack of cement was pulled up a height of 6.3 m in 38.71 second.Doing this generated 93.8w of power.Deterine mass of the sack?

Sagot :

We use the equation Power = (Mass x Acceleration x Displacement) / time. We substitute our given values: 93.4 W = [Mass (9.8 m/s^2) (6.3 m)] / 38.71 s. We solve for mass, we get: mass = 53.56 kg.