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The level of water in a city water tower is 125ft. above the ground. The tank is kept with an air space which can be pressurized with compressed air. It is important to maintain a pressure at the bottom of the tower at 75 psig. What gauge pressure has to be applied to the air in the top of the tower to get the required pressure at the bottom of the tower. If the atmospheric pressure is 755mmHg, what is the absolute pressure at the bottom of the tower. Draw the system and show the pressure gauges.
a ball is thrown with a valocity of 30 m/s at an angle of 40 degrees above the horizontal from the top of a 100m tall building. what is balls velocity when it lands. (neglect air resistance in both cases) DO NOT USE 2D projectile motions, only work ..
A piston-cylinder device contains 0.2kg of water initially at 800 kPa and 0.06m^3. Now 200 kJ of heat is transferred to the water while its pressure is held constant. Determine the final temperature of the water.
The acceleration of a particle as it moves along a straight line isgiven by a = (2t-1)m/s2 where t is in seconds. If s =1mand v =2m/s when t =0 determine the particles velocity and positionwhen t = 6s. Also determine the total distance the particle t..
determine the location of the center of gravity of the cast aluminum block
A city of 60,000 people generates 50,000 tons of MSW per year. At current recovery and recycling rates, 21 percent of that MSW is recovered or recycled and the rest goes to a landfill.
The motion of a particle is defined as x=t^2-8t+7 and y=0.5t^2+2t+4, where x and y are in meters and t is in seconds. Determine the magnitude of the smallest velocity reached by the particle, and the time, position, and direction of that velocity.
A plastic bar fit snugly between rigid supports at room temp. (68)but with no initial stress. When the temperature of a bar israised to 160 F the compressive stress on an inclined plane pqbecomes 1700 psi.
Which software do we use to calculate force and moment, and draw shear and moment diagram? I really need this software to design my structural project. Please helps me... thank you so much.
determine the force in members GF,FB, and BC of the Fink truss and state if the members are in tension or compression
To cross a river that is 1 km wide, with a current of 6km/h, a novice boatskipper holds the bow of the boat perpindicularto the far river bank, intending to cross to a point directly across the river from the launch point.
A WTP Operator is trying to size a pump that takes water from a WTP holding tank and sends it to a house on a hill above the plant. The operator's goal is to have 60 psi of water pressure entering the house.
A tray rests on an extendible arm consisting of two steel tubes with two different outer diameters. The downward force at the tray center F0 = 1000 N. Determine the downward deflection of the tray center and the tilt angles of the tray about each ..
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