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A spherical drop of oil falls at a const...

A spherical drop of oil falls at a constant speed of `4 cm//s` in steady air. Calculate the radius of the drop. The density of the oil is `0.9 g//cm^3`, density of air is `1.0 g//cm^3` and the coefficient of viscosity of air is `1.8 xx 10^-4poise`, (`g = 980 cm//s^2`)

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
  1. A spherical drop of oil falls at a constant speed of 4 cm//s in steady...

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  2. A needle of length 6 cm can stay afloat on water. Find weight of the n...

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  3. Calculate the work done in blowing a soap bubble of radius 4 cm. The s...

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  4. A square glass plate 4.5 cm long and 0.5 cm thick is suspended in a t...

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  5. Calculate the work done in increasing the radius of a soap bubble in a...

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  6. A liquid of density 700 kg//m^3 rises to a height of 12 mm in capillar...

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  7. A liquid rises to height of 9 cm in a glass capillary of radius 0.02 c...

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  8. A capillary tube of diameter 0.6 mm dipped vertically into water. It r...

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  9. Eight droplets of mercury each of radius 1 mm coalesces into a single ...

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  10. Calculate the work done in breaking a mercury drop of radius 1mm into ...

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  11. Compare the amount of work done in blowing two soap bubbles of radii i...

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  12. When glass capillary tube of radius 0.4 mm is dipped into mercury, the...

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  13. Surface tension of water at 0^@C is 75 dyne/cm, find the surface tensi...

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  14. Find the work done in blowing a soap bubble of radius 5cm.Surface tens...

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  15. A capillary tube of uniform bore is dipped vertically in water which r...

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  16. Compare the amount of work done in blowing two soap bubbles of radii i...

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  17. A drop of mercury 2 mm in diameter breaks into a million small spheric...

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  18. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

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  19. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

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  20. Water is flowing continously from a tap having a base of internal diam...

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  21. Find the terminal velocity of a steel ball bearing of radius 0.1cm whe...

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