An engine has a 30.0% efficiency. The engine raises a 5.00 kg crate from rest to a

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An engine has a 30.0% efficiency. The engine raises a 5.00 kg crate from rest to a vertical height of 10.0 m, at which point the crate has a speed of 4.00 m/s. How much heat input is required for this engine?

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Devika V

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