Determine the energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a circular orbit at an altitude of 3R.
Determine the energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a circular orbit at an altitude of 3R.
Option 1 -
5GMm/6R
Option 2 -
5GMm/3R
Option 3 -
GMm/3R
Option 4 -
GMm/8R
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1 Answer
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Correct Option - 4
Detailed Solution:
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. (i)
. (ii)
= 107 m
= 10,000 km
R + h = 10,000
h = 10,000 – 6400 = 3600 km
Gravitational force does not depend on the surrounding medium.
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