Question

The average work done by a human heart while it beats once is 0.5 Joule. The power used by heart if it beats 72 times in a minute:

Options

• 0.6 W

• 72 W

• 36 W

• 3 W

Answer 1

0.6 W

Explanation - 

`"Average Power" = ("total work")/"total time" = (72 xx 5)/60 = 0.6  "W"`