Asked by John

An ice cube is placed in a microwave oven. Suppose the oven delivers 105 W of power to the ice cube and that it takes 32,200 J to melt it. How long does it take for the ice cube to melt?
Answered by bobpursley
http://www.jiskha.com/display.cgi?id=1268687077
Answered by Aanu
that is simple.
energy is never lost so
energy lost by microwave=energy gain by ice cube
32200=105t
t=306.6667secs
Answered by Salma ali
An ice cube is placed in a microwave oven. Suppose the oven delivers 105 W of power to the ice cube and that it takes 32,200 J to melt it. How long does it take for the ice cube to melt?
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