Questions
A particle falls towards the earth from infinity. The velocity with which it reaches earth’s surface (g → acceleration due to gravity on earth’s surface and R is the radius of the earth)
a
2gR
b
c
d
R/g
detailed solution
Correct option is B
Escape velocity Total energy is conserved.Talk to our academic expert!
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When a projectile attains the escape velocity, then on surface of planet its
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