Question

Escape velocity on the surface of earth is 11.2.if the mass of earth increase to twice it's value and the radius of the earth becomes half the escape velocity?​

Answer 1

Answer:

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Explanation:

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