The time period of a satellite revolving around earth in a given orbit is 7 hours. If the radius of orbit is increased to three times its previous value, then approximate new time period of the satell

Question

The time period of a satellite revolving around earth in a given orbit is 7 hours. If the radius of orbit is increased to three times its previous value, then approximate new time period of the satellite will be

TestHub · Accepted Answer

From Kepler's Third Law(The Law of Periods), we know T 2 ∝ R 3 ⇒ T 2 2 T 1 2 = R 2 R 1 3 = 3 R R 3 Therefore, T 2 = 27 T 1 = 5 . 19 × 7 ≈ 36 hours

Physics - Gravitation Question with Solution | TestHub

Options:

Doubts & Discussion