in meters The swing-check valve in the given image covers a 22.86-cm diameter opening in the slanted wall. The hinge is 15 cm from thecenterline, as shown. The valve will open when the hinge moment is 120 N-m. Find the value of h (in m) for the water to cause thiscondition.Air15 cm| ᏥHingeWater at 20°C

Answered: Image /qna-images/answer/a4333d34-454f-4b2b-be23-30d4ec71f994.jpg

Answered: The swing-check valve in the given…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 3CQ: A constant-volume gas thermometer contains a fixed amount of gas. What property of the gas is...

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Verify the normalization equation 0f(v)dv=1 In doing the integral, first make substitution u=m2kBTv=vvp. This "scaling" transformation gives you all features of the answer except for the integral, which is a dimensionless numerical factor. You'll need the formula 0x2e x 2dx= 4 to find the numerical factor and verify the normalization.`
A diver 50 m deep in 10∘C fresh water exhales a 1.5 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 ∘C ? Assume that the air bubble is always in thermal equilibrium with the surrounding water.
A cylinder fitted with a metal piston contains water and steam at constant temperature as shown in figure. The cross-sectional area of the cylinder is 2.5 cm?. The piston is falling slowly at a rate of 0.25cm s-'. The density of steam under the piston is 6.0 × 10+g cm³. Find the rate with which heat is leaving the chamber. (Take : Latent heat of vaporization for water = 2250 x 10 J kg-'): - piston steam water (A) J/s 15 15 (В) J/s 4 32 (C) J/s 27 27 (D) J/s
60 D2 D1 The last 40 ° C until the water vapor pressure in the tube shown in Figure 0.75 t/m 2 d. Be that atmospheric pressure in the high curent 68 cm-Hg-column, one section of dianeter D= 60 cm. the second section of diameter D, = 14 cm, the first pressure value in the section P= 0.35 kg / cm 2 by that the cavitation neglecting the energy losses Determine the flow rate to start. Note: Use a period (.) as a decimal separator in your answers. Otherwise, even if your result is correct, it will be considered incorrect by the system. Q= m3 /sec
7. Consider the Vorticity distribution 1+ cose r(0) = 2aU. sine Calculate the section pitching moment about a point 0.75 chord from the leading edge. Note that you can use the fact that the center of pressure (Xep) is at the quarter chord for all angles of attack, as well as the definition for lift.
a 0 ML ConR 10) A Container contain hydrogen gas with a pressure of 2.55 atm, helium gas with a pressure of 3.55 atm, and oxygen gas with a pressure of 8.66. With is the total pressure of all the gasses in the container?
The goal in this problem is to find the growth of an ice layer as a function of time. Call the thickness of the ice layer L. (a) Derive an equation for dL/dt in terms of L , the temperature T above the ice, and the properties of ice (which can leave in symbolic form instead of substituting the numbers). (b) Solve this differential equation assuming that at t=0 , you have L=0 . If you have studied differential equations, you will know a technique for solving equations of this type: manipulate the equation to get dL/dt multiplied by a (very simple) function of L on one side, and integrate both sides with respect to time. Alternatively, you may be able to use your knowledge of the derivatives of various functions to guess the solution, which has a simple dependence on t. (c) Will the water eventually freeze to the bottom of the flask?
A mercury thermometer still in use for meteorology has a bulb with a volume of 0.780 cm3 and a tube for the mercury to expand into of inside diameter 0.130 mm. (a) Neglecting the thermal expansion of the glass, what is the spacing between marks 1 apart? (b) If the thermometer is made of ordinary glass (not a good idea), what is the spacing?
A helium-filled toy balloon has a gauge pressure of 0.200 atm and a volume of 10.0 L. How much greater is the internal energy of the helium in the balloon than it would be at zero gauge pressure?
A car engine moves a piston with a circular cross-section of 73000.002cm in diameter a distance of 3.2500.001cm to compress the gas in the cylinder. (a) By what amount is the gas decreased in volume in cubic centimeters? (b) Find the uncertainty in this volume.
The mean flee path for helium at a certain temperature and pressure is 2.10107 m. The radius of a helium atom can be taken as 1.101011 m. What is the measure of the density of helium under those conditions (a) in molecules per cubic meter and (b) in moles per cubic meter? `
(a) In the deep space between galaxies, me density of atoms is as low as 106atoms/m3, and me temperature is a frigid 2.7 K. What is me pressure? (b) What volume (in m3) is occupied by 1 mol of gas? (c) If this volume is a cube, what is the length of its sides in kilometers?

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