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A particle is kept at a distance R above the earth’s surface. What is the minimum speed with which it should be projected so that it does not return? a) [(G*M)/(4*R)]1/2 b) [(G*M)/(2*R)]1/2 c) [(G*M)/R] 1/2 d) [(2*G*M)/R]1/2

A particle is kept at a distance R above the earth’s surface. What is the minimum speed with which it should be projected so that it does not return? a) [(G*M)/(4*R)]1/2 b) [(G*M)/(2*R)]1/2 c) [(G*M)/R] 1/2 d) [(2*G*M)/R]1/2

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A particle is kept at a distance R above the earth’s surface. What is the minimum speed with which it should be projected so that it does not return?

a) [(G*M)/(4*R)]1/2

b) [(G*M)/(2*R)]1/2

c) [(G*M)/R] 1/2

d) [(2*G*M)/R]1/2

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