PROBLEM SET 31. The specific weight of water at ordinary pressure and temperature is 62.4 lb/ft3 (9.81 kN/m3).The specific gravity of mercury is 13.55. Compute the density of water and the specific weightand density of mercury.2. A 40-lb, 0.8-ft-diameter, I-ft-tall cylindrical tank slides slowly down a ramp with a constantspeed of 0.1 ft/s as shown in Fig. P1.2. The uniform-thickness oil layer on the ramp has aviscosity of 0.2 lb. s/ft2. Determine the angle, 8 of the ramp. Ans. 7.22°0.002 ft0.1 ft/sOilFigure P1.2: Cylindrical tank on the ramp3. A piston having a diameter of 5.48 in. and a length of 9.50 in. slides downward with a velocityV through a vertical pipe. The downward motion is resisted by an oil film between the pistonand the pipe wall. The film thickness is 0.002 in., and the cylinder weighs 0.5 lb. Estimate V ifthe oil viscosity is 0.016 lb-s/ft². Assume the velocity distribution in the gap is linear. Ans.0.00459 ft/s4. A tire having a volume of 3 ft³ contains air at a gage pressure of 26 psi and a temperature of70 °F. Determine the density of the air and the weight of the air contained in the tire. Ans.0.622 lb5. Calculate the speed of sound in m/s for (a) gasoline, (b) mercury, and (c) seawater.

Name: PROBLEM SET 31. The specific weight of water at ordinary pressure and
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Description: PROBLEM SET 31. The specific weight of water at ordinary pressure and temperature is 62.4 lb/ft3 (9.81 kN/m3).The specific gravity of mercury is 13.55. Compute the density of water and the specific weightand density of mercury.2. A 40-lb, 0.8-ft-dia

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1. The specific weight of water at ordinary pressure and temperature is 62.4 lb/ft3 (9.81 kN/m3). The specific gravity of mercury is 13.55. Compute the density of water and the specific weight and density of mercury.

1. The specific weight of water at ordinary pressure and temperature is 62.4 lb/ft3 (9.81 kN/m3). The specific gravity of mercury is 13.55. Compute the density of water and the specific weight and density of mercury.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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