Two satellites of masses 'm' and '4m' are revolving in a same orbit around the earth. Which one of the…

Two satellites of masses 'm' and '4m' are revolving in a same orbit around the earth. Which one of the following statements is correct?
  1. They have periods in the ratio $1: 4$.
  2. They have same kinetic energy.
  3. They have same potential energy.
  4. They have same period.

Solution

As $T=2 \pi \sqrt{\frac{r^{3}}{G M}}$

Asked in: MHT CET 2020 (20 Oct Shift 2)

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