Question: A 4 kg crate sitting on a horizontal surface is pushed 30 m by a force of 6N applied at an angle of 27 o

A 4 kg crate sitting on a horizontal surface is pushed 30 m by a force of 6N applied at an angle of 27o below the horizontal.

a)How much work is done?

b)If it takes 7.8 seconds to push the crate, how much power was expended?

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