Question

Given that the earth is 81 times heavier and
4 times larger in size as compared to moon.
Determine the velocity required by
spacecraft to escape the gravitational force
of the moon.

​

Answer 1

Answer:

ANSWER

Given :

M

M

M

E

=81 and

R

M

R

E

=3.5

Escape velocity v

e

=

R

2GM

⟹

v

e

M

v

e

E

=

M

M

M

E

×

R

E

R

M

v

e

M

v

e

E

=

81×

3.5

1

=4.81

Answer 2

Explanation:

4.81 plzzzzzzzzzzzzzzzzz mark me the brilliant