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A rocket is intended to leave the Earth'...

A rocket is intended to leave the Earth's garvitational field.The fuel in its main engine is a little less than the amount that is necessary and an auxliary engine, (only capable of operating for a short time) has to be used as well.When is it best to switch on the auxiliary engine?

A

at take off

B

When the rocket has nearly stopped with respect to the Earth

C

It doesn't matter.

D

Can't say

Text Solution

Verified by Experts

The correct Answer is:
A
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