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1. Numerous small flotation devices are attached to the cable, and the difference between buoyancy and weight results in a net upward force of 30 newtons per meter of cable length. Determine the force T which must be applied to cause the cable configuration shown.
2. A series of spherical floats are equally spaced and securely fastened to a flexible cable of length 20 m. Ends A and B are anchored 16 m apart to the bot- tom of a fresh-water lake at a depth of 8 m. The floats and cable have a combined weight of 100 N per meter of cable length, and the buoyancy of the water produces an upward force of 560 N per meter of cable length. Calculate the depth h below the surface to the top of the line of floats. Also find the angle e made by the line of floats with the horizontal at A.
lead shot is formed by dropping molten lead through the center of a high tower. the frictional resistance of the air as
car a is speeding in the positive x direction and is about to run through a red light and collide with car b heading
A piston-cylinder device contains 1.101 kg of nitrogen gas at 120 kPa and 27 degrees C. The gas is now compressed slowly in a poly tropic process which PV^(1.38) = constant. The process ends when the volume is reduced by one-half. Determine the entro..
it is desired to store 5 kg of o2 in a 30 liter tank at-106.5degc. to design the tank we need to determine the pressure
Estimate the mass of the gas in the tank in kg assuming the gas behaves as an ideal gas. If the gas warms up to 35 deg C as it sits in the sun all day, what would the pressure rise to?
consider the function fxx3-2x4 on the interval -22 with h0.25. use the forward backward and centered finite difference
a cubic tank 1m3 is filled with air at 280k and 100 kpa. it is fitted with a relief valve that will vent at 600 kpa.
Consider the 2.0micrometer long GaAs device where the E-field is 5kV/cm and Mn*=.067M0. Calculate the transit time of an electron through the device if the mobility is 8000 cm^2V-s.
a body initially at rest is accelerated to a velocity of 200ms along the surface inclined at 30 degrees relative to
explain the differences between the otto diesel and stirling reciprocating cycles . discuss the application and energy
Consider a simply supported beam of length 50 ft subjected to a uniformly distributed downward load of 10 kips/ft from x=10 ft to x=40 ft and concentrated downward loads of 100 kips at x=10 ft and x=40 ft. Determine the shear and moment diagrams from..
air is contained in a vertical cylinder fitted with a frictionless piston and a set of stops. the atmospheric pressure
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