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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 10 - Problem 19p
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 10 - Problem 19p

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# An open-tube mercury manometer is used to measure the ISBN: 9780130606204 3

## Solution for problem 19P Chapter 10

Physics: Principles with Applications | 6th Edition

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Problem 19P

Problem 19P

An open-tube mercury manometer is used to measure the pressure in an oxygen tank. When the atmospheric pressure is 1040 mbar, what is the absolute pressure (in Pa) in the tank if the height of the mercury in the open tube is (a) 28.0 cm higher, (b) 4.2 cm lower, than the mercury in the tube connected to the tank?

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ANSWER:Every ideal spring obeys Hooke’s law. The law tells about the relation between thedisplacement of the spring with the restoring force.The force is, F = Kx-------------------(1)The potential energy whose derivative will give such force is, 2 P.E = 1/2 Kx -----------------(2)In the above question the energy is given as 200 jules.The spring constant is given as, K=1000 N/m.To get the displacement, we should put the values in equation (2), P.E = 1/2 Kx = 200 jules 2 1/2 × 1000 × x = 200 jules x = (200 × 2) / 1000 = 400 / 1000 = 2/5 x = 1/5 = 0.632 meters. x = 63.2 cm.CONCLUSION:So, if we stretch the string by 63.2 cm, the spring with spring constant 1000 N/m will store200 jules of energy.

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##### ISBN: 9780130606204

This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. The full step-by-step solution to problem: 19P from chapter: 10 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: mercury, tube, pressure, tank, open. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. Since the solution to 19P from 10 chapter was answered, more than 765 students have viewed the full step-by-step answer. The answer to “An open-tube mercury manometer is used to measure the pressure in an oxygen tank. When the atmospheric pressure is 1040 mbar, what is the absolute pressure (in Pa) in the tank if the height of the mercury in the open tube is (a) 28.0 cm higher, (b) 4.2 cm lower, than the mercury in the tube connected to the tank?” is broken down into a number of easy to follow steps, and 60 words. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204.

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