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2.3 A calorie is a unit of heat or energy and it equals about 4.2 J where 1J 1kg mskg, theunitm. the unit oftime is γ s. Show that a calorie has a magnitude 4.2Suppose we employ a system of units in which the unit of mass equals αgth equalsαϊβ a γ 2 In terms of the new units.

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