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April 20, 2014

Homework Help: physics

Posted by lizzy on Wednesday, April 23, 2008 at 6:07pm.

A physicist, upon awaking one morning to find his stove out of order, decides to boil the water for his wife's coffee by shaking it in a thermos flask. Suppose that he uses 520 cm3 of tap water at 56oF, that the water falls 1.35 ft each shake, and that the physicist completes 27 shakes each minute. Neglecting any loss of thermal energy by the flask, how long must he shake the flask before the water boils?

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