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Grade: 12th pass
        A satellite revolves around a planet of radius R in time T. What will be the period of revolution around planet of radius 3R.
one year ago

## Answers : (1)

Arun
23316 Points
							Dear Ravi

Use Kepler's law
T² = k * r³
For 1st case
T² = k * R³
Now
For second case
T'² = k * (3R)³
T'² = k* 27 R³
Now
T'² = 27 * T²
T' = 3 $\sqrt$3 T

Regards
Arun (askIITians forum expert)

one year ago
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