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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.
8 months ago

Answers : (1)

Arun
13752 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 \sqrt3 T
 
Regards
Arun (askIITians forum expert)
8 months ago
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