Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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The pressure gauge shown in the figure consists of a spring
inside a vacuum chamber. The chamber is isolated from the
environment by a piston, which is free to move up or down. Vacuum
Ambient pressure exerts a force on the piston, which
compresses the spring. The spring has a force constant of
1250 N/m, and the piston has a diameter of 12 mm. a) At sea
level, where ambient pressure is 1 atm, the spring is
compressed by distance x, relative to its relaxed length.
Calculate xo. b) Suppose the pressure gauge is lowered into
water at a lake. At depth D1 = 4 m, the spring is compressed by distance x, relative to
its relaxed length. Calculate x1. b) At depth D2, the spring is compressed by distance
x2 = 17.325 mm relative to its relaxed length. Calculate D2.
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Transcribed Image Text:The pressure gauge shown in the figure consists of a spring inside a vacuum chamber. The chamber is isolated from the environment by a piston, which is free to move up or down. Vacuum Ambient pressure exerts a force on the piston, which compresses the spring. The spring has a force constant of 1250 N/m, and the piston has a diameter of 12 mm. a) At sea level, where ambient pressure is 1 atm, the spring is compressed by distance x, relative to its relaxed length. Calculate xo. b) Suppose the pressure gauge is lowered into water at a lake. At depth D1 = 4 m, the spring is compressed by distance x, relative to its relaxed length. Calculate x1. b) At depth D2, the spring is compressed by distance x2 = 17.325 mm relative to its relaxed length. Calculate D2.
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