Surface Tension and Capillarity 17) Estimate the height to which water will rise in a capillary tube of diameter 3 mm. use o = 0.0728 N/m and y = 9810 N/ m3 for water. 18) What is the value of the surface tension of a small drop of water 0.3mm in diameter which is in contact with air if the pressure within the droplet is 561 Pa? 19) Mercury makes an angle of 130° when in contact with clean glass. What distance will mercury depress in a vertical 2-cm diameter glass tube? Use o = 0.47 N/m.

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A:

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A: Ans False.

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A: Volume = area*length

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A:

Q: Hook's Law

A:

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A: From the given cross section we can sayAt station 1+850 and Area cut cm2| 17+23 = 402+050   End Area…

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A: Coeffient of dy is N in this case .

Q: What is the value of 5! * О 50 O 60 O 25 О 120

A: "!" stands for factorial. 5! = 5.4.3.2.1 = 120 Option (d) is correct

Q: 10. In figure below, what is the value of dimension D? * Z DRILL 6 HOLES D 一-十層 -星十章-

A: Diameter of hole = 7/16 Distance between different holes are given in figure

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A:

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A:

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Q: -Undeformed 6.60 0.1992 mm 15.7° 0.2 mm X. 0.1515 mm 0.15 mm

A: Ex = Change in length in x direction / original length Ex = 8 x 10-4/0.2 = 4x 10 -3 Ey  = Normal…

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A:

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A:

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Q: 2. 25 = y/3.5 3. 3(2 - x) = 10 4. 35/t s 7 5. q 2 100

A:

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A: solution given next step

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A:

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Q: RA= RB= Vmax= KN 2 decimal places KN 2 decimal places KN 2 decimal places

A:

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A:

Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.