An applied force of 50 N is used to accelerate an object, that weighs 73 N, to the right across a frictional surface. The object
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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 of work on the water lifting it.
We need to find how high does it lift the water. Work done is given by :
So, it can lift the water to a height of 250 m.