The ratio of the radius of a planet A to that of a planet B is “r”. The ratio of acceleration due to gravity on the planets is “p”. The ratio of escape velocities of the two planets is _____
A. (pr)1/2
B. (p/r)1/2
C. (pr)
D. (p/r)
Answer:A
The ratio of the radius of a planet A to that of a planet B is “r”. The ratio of acceleration due to gravity on the planets is “p”. The ratio of escape velocities of the two planets is _____
A. (pr)1/2 B. (p/r)1/2 C. (pr) D. (p/r)