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How much work is done on a block after the force is applied?

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A constant horizontal force of 2.29 N is applied to a 1.82-kg block initially at rest on a friction-free surface. How much work is done on the block in the first 1.35 seconds after the force is applied?

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In six lines of calculations, the problem is solved. How much work is done on a block after the force is applied is determined.

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