Questions
A man of 60kg gains 1000 cal of heat by eating 5mangoes. His efficiency is 56%. To what height he can jump by using this energy?
a
4 m
b
20 m
c
28 m
d
0.2m
detailed solution
Correct option is A
efficency=energy outputenergy intput 56100=60×9.8×h1000×4.2 h=4mTalk to our academic expert!
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When the amount of work done is 333 cal and change in internal energy is 167 cal, then the heat supplied is
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