Homework Help: physics

Posted by LL on Sunday, June 17, 2012 at 9:53am.

Archimedes decides to take a warm bath. If 1 calorie equals 4.187 Joules,
and the heat of fusion of ice/water is 334 J/gram, calculate the number of calories it takes to liquefy a solid block of ice of mass 100 kg at 0°C.
Use scientific notation.

physics - Elena, Sunday, June 17, 2012 at 6:03pm
Q=λm=334 000 J/kg •100 kg =33400000 J=3.34•10^7J=7977452.9 cal=
7.98 •10^6 cal

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