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A concrete pipe with an inside and outside diameter of 60 cm and 70 cm, respectively, hangs from cables. The pipe is supported at two locations, and a spreader bar maintains cable segments AB and AC at 45 degrees. Each support carries half the total weight of the pipe. If the density of concrete is p=2320 kg/m^3, find the tension in cable segments AB and AC?
two spinning discs have the same angular momentum, but disk 1 has more kinetic energy than disk 2. Which one has the bigger moment of inertia - explain your reasoning?
an iron ball d 0.1m k 50wmk r 7900 kgm3 cp 500 jkgk is taken out of a furnace at uniform temperature t1 700oc and
a helicopter is ascending vertically with a speed of 5.78. at a height of 121 above the earth a package is dropped
the 230000 lb space shuttle orbiter touches down at about 220 mihr. at 200 mihr its drag parachute deploys. at 35 mihr
a charge of -8.1 microc is traveling at a speed of 8.7 106 ms in a region of space where there is a magnetic field. the
A layer of water seperates two smooth surfaces a distance of 2r. Derive an experssion for the force needed to pul the two surfaces apart. Consider the bottom surface fixed. What is the force needed to seperate the top surface?
the minimum fresh air requirement of a residential building is specified to be 0.35 air change per hour ashrae standard
propane gas enters a continuous adiabatic heat exchanger at 40degc and 250 kpa and exits at 240degc superheated steam
a refrigerator uses a compressor that employs r-134a as the refrigerant. determine the power requirement w and
air is compressed in a piston-cylinder assembly from an initial pressure and temperature of 16 psi and 530 or to a
water flows at 50oc inside a 2.5-cm-inside-diameter tube such that hi 3500 wm2 oc. the tube has a wall thickness of 0.8
water enters an insulated nozzle operating under steady conditions at a pressure of 60 psia a temperature of 350 degf
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