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A garden hose is open at one end and capped closed at the other. A swimmer in an above-ground pool fills the hose with pool water, then throws the capped end out of the pool. The open end of the hose sits at the bottom of the pool, and the capped end sits on the ground just outside the pool and level to the bottom of it. The external pressure is 1 atm. The water in the pool is 2.5 feet deep, and the rim of the pool is 3.5 feet above the ground. What is the water pressure in the capped end of the hose? What is the water pressure at the maximum height of the hose? You can assume that there are no air bubbles in the hose. (Hint: The correct answers are not 1 atm.)
A slotted disk and opto-interrupter outputs pulses at 62 HZ. The disk has only one slot cut in it. what is the rotating speed of the disk in rpm?
Examine the influence of the vibration on the grain size, microstructure and mechanical properties of aluminium-silicon alloys (Al-Si) during solidification.
a 3-lb collar can slide on a horizontal rod which is free to rotate about a vertical shaft. the collar is intially held
Calculate spring coefficient k = P/δ and discuss the design on how much spring radius r should be changed to increase k two times
Diffusion Coeffiecient, Calculate Constant, The diffusion coeffiecient for Cr^+3 in Cr2O3 is 6x10^-15 cm2/s at 727 degrees Celcius and is 1x10^-9 cm2/s at 1400 degrees Celcius.
blood flows from the left ventricle of the heart up through the ascending aorta. this system can be modeled as a
Important information about Compressive Stress, A circular cross sectional bar with a diameter of 3.25 inches is loaded with a uniform axial compressive load of 22,750 pounds. What is the compressive stress along a cross section of the bar?
air is contained in a vertical piston-cylinder assembly by a piston of mass 50 kg and having a face area of 0.01 m2.
one kg of water vapor at 200 kpa fills the 1.1989 m3 left chamber of a partitioned system. the right chamber has twice
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below.For k=1.4 Cv=0.718kJ/(kg*k), and Cp= 1.005 kJ/(kg*K)
B) Determine the minimum amount of work [kJ ] required to reach this end state. C) If more than the minimum work is actually used, where does this extra energy go? That is what becomes of the extra energy?
an insulated rigid tank with a volume of 10ft3 is connected by a valve to a supply line containing steam at 500 psia
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