Question

The power of a heart which beats 72 times in a
minute is 1.2kW. Calculate the work done by
the heart for each beat. If blood is displaced by
80 cm with each heart beat in the blood vessels,
then also calculate the force exerts by one heart
beat.
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Answer 1

Answer:

yo

Explanation:

4

a. Of the 185 children in a class, went trekking.

5

How many children did not go trekking?