The terminal velocity of a ball-bearing falling through a viscous fluid reached when the

The terminal velocity of a ball-bearing falling through a viscous fluid reached when the
  • A.
    upthrust is equal to the weight of the ball
  • B.
    ball accelerate uniformly
  • C.
    upthrustis equal to the velocity of the ball
  • D.
    velocity is uniform
Correct Answer: Option D
Explanation

At vt = terminal velocity
= zero acceleration
= uniform velocity

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