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In Figure below, both fluids are at 20°C. If surface tension effects are negligible, what is the density of the oil, in kg/m3?
  • a)
    788
  • b)
    778
  • c)
    748
  • d)
    758
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In Figure below, both fluids are at 20°C. If surface tension effec...
Explanation: Move around the U-tube from left atmosphere to right atmosphere:
Pa= (9790N/m3)(0.06m) - γoil(0.08m)= Pa
solve for γoil≈ 7343N/m3,
or: ρoil= 7343/9,81≈ 748kg/m3
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Most Upvoted Answer
In Figure below, both fluids are at 20°C. If surface tension effec...
Explanation: Move around the U-tube from left atmosphere to right atmosphere:
Pa= (9790N/m3)(0.06m) - γoil(0.08m)= Pa
solve for γoil≈ 7343N/m3,
or: ρoil= 7343/9,81≈ 748kg/m3
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In Figure below, both fluids are at 20°C. If surface tension effec...
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