Question

If the strength of the gravitational field of planet Blubo is 1.95 times that of Earth, at what rate would a mass of 20.0 kg accelerate toward Blubo’s center?

Answer 1

Answer:

Correct option is A)

let the gravitational acceleration on the surface be g

′

and desity be ρ

′

g

g

′

=

11

6

;

ρ

ρ

′

=

3

2

Hence,

R

R

′

=

22

3

6

v

esc

v

esc

′

∝

R

2

ρ

R

′2

ρ

′

=

11

3

v

esc

′

=3km/s.