The terminal velocity of a ball-bearing falling through a...
The terminal velocity of a ball-bearing falling through a viscous fluid is reached when the?
A.
upthrust is equal to the weight of the ball
B.
ball accelerate uniformly
C.
upthrust is equal to the velocity of the ball
D.
velocity is uniform
Correct answer is D
At vt = terminal velocity
= zero acceleration
= uniform velocity
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