Question

3.
The escape velocity of an object from a planet whose mass is 9 times that of the earth and radius is 4
times that of the earth in km s-' is
a) 67.2
b) 33.6
16.8
d) 25.2​

Answer 1

Answer:

67.2

Explanation:

because the value of escape velocity is always 67.2 it is fixed