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?
3 answers
http://www.jiskha.com/display.cgi?id=1268687077
that is simple.
energy is never lost so
energy lost by microwave=energy gain by ice cube
32200=105t
t=306.6667secs
energy is never lost so
energy lost by microwave=energy gain by ice cube
32200=105t
t=306.6667secs
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?