The apparent weight of a body fully immersed in water is 32N and its weight...

PHYSICS
WAEC 2001

The apparent weight of a body fully immersed in water is 32N and its weight in air is 96N. Calculate the volume of the body. [Density of water = 1000kgm-3, g = 10ms-2]

  • A. 8.9 x 10-3m3
  • B. 6.4 x 10-3m3
  • C. 3.2 x 10-3m3
  • D. 3.0 x 10-3m3

Correct Answer: B. 6.4 x 10-3m3

Explanation

Upthrust = 96 - 32 = 64N

mass(m) = \(\frac{64}{10} = 6.4 kg\)

volume = \(\frac{mass}{Density} = \frac{6.4}{1000}\)

= 6.4 x 10-3m3



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