A particle of mass m is thrown upwards from the surface of the earth, with a velocity u. The mass and the radius of the earth are, respectively, M and R. G is gravitational constant and g is acceleration due to gravity on the surface of the earth. The minimum value of u so that the particle does not return back to earth, is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
GM = gR 2
V e = 
= 
= 
.
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