A) 350 cal
B) 150 cal
C) 60 cal
D) 6 cal
Correct Answer: A
Solution :
\[W=JQ\] Þ \[mgh=J\times H\] Þ \[Q=\frac{mgh}{J}=\frac{5\times 9.8\times 30}{4.2}=350\,cal\]You need to login to perform this action.
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