What is minimum energy required to launch a satellite of mass m from the surface of planet of mass M and radius ‘R’ in a circular orbit at an altitude of 2R ?
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Answer:
Explanation:
We need o know that ,
At earth surface only PE is acting
At a height for satellite . both e and KE acts
The difference in energy should be supplied to the satellite to move into that particular orbit
-GMm/R +x = -GMm/3R + 1/2mv²
= -GMm/6R
x = 5GMm/6R
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