Question: A cable lowers a 1250-kg elevator so that the elevator's speed increases from zero to 4.0 m/s in a vertical distance of 6.0 m. a)By

A cable lowers a 1250-kg elevator so that the elevator's speed increases from zero to 4.0 m/s in a vertical distance of 6.0 m.

a)By how much has the elevator's total energy changed?

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