Single correct · +4 / −1

The escape velocity from the surface of the Earth is about 11.2 km/s. If the radius of Earth were doubled (mass unchanged), the new escape velocity would be approximately:

  1. (a) 5.6 km/s
  2. (b) 7.9 km/s
  3. (c) 11.2 km/s
  4. (d) 22.4 km/s
Answer and solution

Answer (b) 7.9 km/s

No written solution for this question yet.

Study Gravitation

Asked about 160 times in JEE Main since 2020.