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QUESTION
A force of 315N is applied horizontally to a wooden crate in order to displace it 35m across a level floor at a constant velocity.
A force of 315N is applied horizontally to a wooden crate in order to displace it 35m across a level floor at a constant velocity. As a result of this work the crate's internal energy is increased by an amount of 14% of the crate's initial internal energy. Calculate the initial internal energy of the crate.
