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The escape velocity of a body from the earth is . If the radius of earth contracts to 1/4th of its value, keeping the mass of the earth constant, the escape velocity will be

a)

Doubled

b)

Halved

c)

Tripled

d)

Unaltered



Question ID - 54788 | SaraNextGen Top Answer

The escape velocity of a body from the earth is . If the radius of earth contracts to 1/4th of its value, keeping the mass of the earth constant, the escape velocity will be

a)

Doubled

b)

Halved

c)

Tripled

d)

Unaltered

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Since, G  and M  are constant hence,

127 votes


127