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An aluminum 2024 T3 bar of uniform cross sectional area is subjected to a tensile force in the longitudinal direction. if the lateral surface of the bar is confined and not allow to contract during loadin, find the force that is needed to produce a 1 percent longitudinal strain. Compare this with the corresponding load for the bar under simple tension E=72 GPa V=0.33
The elastic ball bounces down a flight of rigid stairs. Determine the height h of the steps if all the trajectories between successive steps are identical. Use e = 0.85 and the initial velocity 6 m/s.neglect friction. (Theta=70 degrees)
Design the ramp for the highest design speed (to the nearest 5 mph) without exceeding a minimum D of 8.0. (Assume the PC of the horizontal curve is at station 15+00, and the vertical curve PVIs are at the PC and PT of the horizontal curve). Maximu..
calculate the amplitude F0 of the sinusoidal excitation force that is necessary to produce a steady-state vibration with a velocity amplitude of 10 m/s at resonance
If the flow that you determined in (b) occurred as rainfalluniformly over the earth's surface, what would be the mean annualrainfall (cm/y)?
A tank with a 3m diameter has an 8 cm orifice at the bottom. The tank is currently filled with water to a height of 2.5m above the orifice. If the orifice is opened, how long will it take until the height is 1 m.
Nitrogen is compressed from 80 kPa and 27?C to 480 kPa by a 10-kW compressor. Determine the mass flow rate of nitrogen through the compressor, assuming the compression process to be (a) isentropic
Battered piles are used on many construction projects as a permanent part of the element being constructed. Does this construction method have any play in the construction of a temporary earth retention system
The stream from a gas well is a mixture containing 50 mol % methane, 10 mol % ethane, 20 mol % propane, and 20 mol % n-butane. This stream is fed into a partial conderser maintained at a pressure of 250 psia
The BOD5 of the influent wastewater is 150 mg/L and the first-order reaction rate for the degradation of BOD5 is 0.6/hr at 20°C. If the required effluent BOD5 is 20mg/L
The 30-Mg freight car A and 20-Mg freight car are moving towards each other with the velocities of VA= 20km/h and VB=10 km/h. A spring mounted on A has k=3 MN/m Determine the maximum compression of the spring mounted on car A.
The uniform 25 kg plate is welded to the vertical shaft, which is supported by bearings A and B. Calculate the magnitude of the force supported by bearing B during application of the (M =) 140 N·m couple to the shaft.
using the principles to developed in chapter 3 on equilibrium, one can determine that the tension in cable AB is 143.4 N. Determine the moment about the x-axis of this tension force acting on point A.
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