A ball is thrown upward with an initial velocity 
from the surface of the earth. The motion of the ball is affected by a drag force equal to 
(where m is mass of the ball, v is its instantaneous velocity and 
is a constant). Time taken by the ball to rise to its zenith is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Net acceleration
Let time t required to rise to its zenith 
so,
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