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Physics
The average energy consumed by a human being in a day is
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Q. The average energy consumed by a human being in a day is
KEAM
KEAM 2010
Work, Energy and Power
A
$2400 \,cal$
B
$2400\, J$
C
$2400\, kJ$
D
$2400 \,mJ$
E
$2400 \,kcal$
Solution:
The average energy consumed by a human being in a day is
$
\frac{10^{7} J}{4.2 \times 10^{3} J / kcal } \approx 2400 kcal
$