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

Physics
JAMB 2009

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
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Correct Answer: Option D
Explanation

At vt = terminal velocity
= zero acceleration
= uniform velocity

There is an explanation video available below.


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Explanation Video

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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709