Energy
Asked by Abhijeetoo7
| 13th Feb, 2010,
12:16: AM
Expert Answer:
Dear Stident
Man gets 100kcal
Since efficiency =12%
He can uae 12% of 100kcal (= 12kcal) to reach height H .
So potential energy mgH=12 kcal
potential energy PE= 60 X10XH Joule = 600X4.2X H cal =2.52H kcal
==> 2.52H=12===> H= 4.76 meters
Regards
Teram
Topperlearning
Answered by
| 13th Feb, 2010,
09:58: AM
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