The escape velocity from the earth is nearly 11.2 km/s. In a planet, whose radius is two times the radius of the earth and density is equal to that of the earth, the escape velocity will be

Options :
  1. 22.4 km/s
  2. 11.2 km/s
  3. 5.6 km/s
  4. 15.6 km/s
Answer and Explanation :-

Answer: Option 1

Explanation:

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