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Calculate the upthrust on a spherical ball of volume 4.2 x 10\(^{-4}\)m\(^{3}\) when totally immersed...

Physics
JAMB 2024

Calculate the upthrust on a spherical ball of volume 4.2 x 10\(^{-4}\)m\(^{3}\) when totally immersed in a liquid of density 1028kgm\(^{-3}\)

  • A. 5.2N
  • B. 4.3N
  • C. 3.0N
  • D. 2.4N
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Correct Answer: Option B
Explanation

Upthrust(Force) = volume of object x density of liquid x g = V x \(\rho\) x g

U = 4.2 x 10\(^{-4}\) x  1028 x 10 \(\approxeq\) 4.3N

There is an explanation video available below.


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Explanation Video

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