Question

escape velocity of a body of mass 1000kg is 11km-s .if the mass of the body is doubled then its escape velocity will be ?​

Answer 1

Explanation:

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Correct option is

C

22.4 km/sec

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

Answer:

11km/s

Explanation:

Vesc = sqrt 2GM/R