A projectile is thrown straight upward from the earth's surface with an initial speed V
where 
is a constant and 
is the escape speed. The projectile travels upto a height 
from earth's surface, before it comes to rest. The value of the constant 
is (Radius of the earth 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
By law of conservation of mechanical energy
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