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Thermal Physics

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6 Jan 2012 14:32:50 IST

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hc verma calorimetry Q 9

Physics

on a winter day the temp. of the tap water is 20^oc whereas the room temp. is 5^oc. water is stored in a tank of capacity 0.5m^3 for household use. if it were possible to use the heat librated by the water to lift a 10kg mass vertically, how high can it be lifted as the water comes to the room temp. ? take g=10m/s^2

Ans=315km

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Viraat Gupta

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Joined: 21 Jun 2011

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9 Mar 2012 23:05:28 IST

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calculate the amount of heat liberated and work done by it , equate the work done with the loss in potential energy !!!

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