Question

A particle is at rest at a distance R above the earth's surface. The minimum speed with which it should be projected for no return is what?​

Answer 1

Answer:

Using law of conservation of energy, we can write

−

2R

GMm

+

2

1

mv

2

=0

mv

2

=

R

GMm

v

2

=

R

GM

v=

R

GM

Video Explanation