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A reservoir is filled with liquid of density 2000 kgm\(^{-1}\). Calculate the depth at which...

Physics
JAMB 2022

A reservoir is filled with liquid of density 2000 kgm\(^{-1}\). Calculate the depth at which the pressure in the liquid will be equal to 9100 Nm\(^{-2}\) (g = 10 ms\(^{-2}\))

  • A. 0.262 m
  • B. 0.664 m
  • C. 0.819 m
  • D. 0.455 m
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Correct Answer: Option D
Explanation

pressure = p, depth/height = h, density = d, gravity = g

p = hdg

\(\frac{p}{dg} = h\)

\(\frac{9100}{10 * 2000} = h\)

0.455m

There is an explanation video available below.


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Explanation Video

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