Question

5. A helicopter scoops a load of water out of a lake, to dump on a forest fire. The helicopter exerts 6480

Answer 1

Answer:

h = 250 m

Explanation:

Given that,

The helicopter exerts 6480  N of force on the water while rising high enough to fly over a mountain.

The helicopter does $1.62\times 10^6\ J$ of work on the water lifting it.

We need to find how high does it lift the water. Work done is given by :

$W=Fh\\\\h=\dfrac{W}{F}\\\\h=\dfrac{1.62\times 10^6}{6480}\\\\h=250\ m$

So, it can lift the water to a height of 250 m.