How much work does the string do on the boy

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Reference no: EM13543731

A boy flies a kite with the string at a 30 degree angle to the horizontal. The tension in the string is 4.5N. How much work does the string do on the boy if the boy: Stands still? Walks a horizontal distance of 11m away from the kite? Walks a horizontal distance of 11m toward the kite?

Reference no: EM13543731

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