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December 20, 2014

Homework Help: Physics

Posted by Anonymous on Saturday, November 3, 2012 at 5:26pm.

The box of a well-known breakfast cereal states that one ounce of the cereal contains 129 Calories (1 food Calorie = 4186 J). If 2.55% of this energy could be converted by a weight lifter's body into work done in lifting a barbell, what is the weight of the heaviest barbell that could be lifted a distance of 1.91 m?

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