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The velocity with which a projectile must be fired so that it escapes the earth’s gravitational field doesn’t depend on ___________

(a) Mass of the earth

(b) Mass of the projectile

(c) Radius of the orbit

(d) Universal gravitational constant

The question was posed to me in homework.

My question is based upon Orbital Velocity topic in portion Kinetic Theory of Gases of Engineering Physics I

1 Answer

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Best answer
The correct answer is (a) Mass of the earth

To explain I would say: Escape velocity does not depend on the mass of the projectile.

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