Escape speed from the Earth is close to . On another planet whose radius is half of the Earth's radius and whose mass density is four times that of the Earth, the escape speed in will be close to :

Question

SquadPrep · Accepted Answer

11.2. Escape velocity . If radius is halved and density is quadrupled, the escape velocity becomes . It remains .

Answer

15.8

Answer

5.6

Answer

7.9

Escape speed from the Earth is close to 11.2 \text{ km s}^{-1}. On another planet whose radius is half of the Earth's radius and whose mass density is four times that of the Earth, the escape speed in \text{km s}^{-1} will be close to :

Explanation

Related questions on Physics