WAEC - Physics (2007 - No. 22)
A body of mass 200g and specific heat capacity 0.4Jg-1k-1 cools from 37oC to 31oC. Calculate the quantity of the heat released by the body.
4800J
1200J
480J
202J
解释
Q = mc\(\theta\)
= 200 x 0.4 x 6 = 480J
= 200 x 0.4 x 6 = 480J