Question

if mass of earth is same but its radius is doubled. Calculate orbital velocty of a body in terms of escape velocity.​

Answer 1

Answer:

Escape velocity , v

e

=

R

e

2GM

e

=11.2km/s

For R

′

=

2

R

e

M

′

=2M

e

v

e

′

=

2

R

e

2G(2M

e

)

=2v

e

=22.4km/s

Answer 2

The answer is Velocity will be doubled

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