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A moving load system with wheels at fixed distances apart as shown crosses a 40-ft simply supported beam bridge. Compute the absolute maximum moment and shear.
The figure shows a simply supported beam with vertical forces 2P and P located at a and 2a, respectively, from the left support.
sketch a system of mass m which is accleerated from rest to a velocity v2 raised to a height of elevation h and cooled
the motion of a particle is defined by the position vector r=a(cos t + t sin t)i + A(sin t-t cos t)j, where t is expressed in seconds. Determine the values of t for which the position vector and acceleration are.
Hydrogen is contained in a piston-cylinder device at 14.7 psia and 15 ft3. At this state, a linear spring (F 8 x) with a spring constant of 15,000 lbf/ft is touching the piston but exerts no force on it. The cross-sectional area of the piston is 3..
The bicycle and rider start from rest at the top of the hill. Show how to determine the speed of the rider when he freely coasts down the hill. Use appropriate dimensions of the wheels, and the mass of the rider, frame and wheels of the bicycle to..
Determine the heat transfer during the process and the irreversibility of the process if the inner surface of the pressure cooker is constant at 250.°F.
a grain dryer consists of a vertical cylindrical hopper through which hot air is blown. the air enters the base at 1.38
Water with a specific volume of 0.001 m3/kg flows through a pipe at 5 kg/sec entering the pipe with an initial velocity of 100 m/sec and exiting at 50 m/sec. The exit of the pipe is 100 m above the inlet. The pipe is well insulated and the power requ..
A machine weighing 3.5 kg vibrates in a viscous medium. A harmonic exciting force of 40 N acts on the machine and produces resonant amplitude of 18 mm with a period of 0.2 s. Determine the damping coefficient.
air enters a 1 ft diameter 36 ft long duct at 140f and 1 atm at a mean velocity of 21 ftsec. the stream is cooled by
in a single degree of freedom vibrating system the concentrated mas which weighs 38.6 lbs. is acted upon by a
to cool a summer home without using a vapor-compression refrigeration cycle air is routed through a plastic pipe k0.15
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