13.The time period of a satellite of earth is 5hr.if the seperation between the earth and the satellite is increased by 3 times the previous value, the new time period will become
Kindly refer the following link for similar query.
https://www.meritnation.com/ask-answer/question/11-the-period-of-revolution-of-an-earths-ssatelliteclose-to/gravitation/8702505
https://www.meritnation.com/ask-answer/question/11-the-period-of-revolution-of-an-earths-ssatelliteclose-to/gravitation/8702505