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The man sits on a swivel chair which is rotating with a constant angular velocity of 3 rad>s. He holds the uniform 5-lb rod AB horizontal. He suddenly gives it an angular acceleration of 2 rad>s2, measured relative to him, as shown. Determine the required force and moment components at the grip, A, necessary to do this. Establish axes at the rod's center of mass G, with + z upward, and + y directed along the axis of the rod toward A.
a long 10 cm square copper bar is bounded by 260c gas flows on two opposing sides. these flows impose heat transfer
the particle a is mounted on a light rod pivoted at o and therefore is constrained to move in a circular arc of radius
Extensive testing of an experimental 2820-lb automobile reveals the aerodynamic drag force FD and the total no aerodynamic rolling-resistance force FR to be as shown in the plot. Determine (a) the power required for steady speeds of 22 and 44 mi/hr o..
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
calculate the fugacity and fugacity coefficient of carbon dioxide at 100f and 200psia from the data
steel rods of 0.05m diameter are heat treated by being passed through a heat-treating furnace in which the atmosphere
Determine the force in the hydraulic cylinder AB and the magnitude of the pin reaction at O for the position shown. The bucket and its load have a combined weight of 4000 lb with center of gravity at G. You may neglect the effect of the weights of..
an irregularly shaped object weighs 100 lb in air and 64 lb when fully submerged in water. determine the volume and
During the flow, the pressure at the pipe inlet and exit is measured to be 8.25 bar and 0.97 bar, respectively and determine the flow rate of oil through the pipe assuming the pipe is horizontal.
A 20 hp pump with 80% efficiency is used to pump water through a Schedule 40 3-inch pipe made of commercial steel. The pipe outlet is at a gage pressure of 100 psi, and is 350 feet above the inlet, which is at ambient pressure. The total pipe length ..
(a) The mechanical efficiency of the pump and (b) The temperature rise of water as it flows through the pump due to the mechanical inefficiency.
A lunar transfer vehicle masses 50 tonnes (metric tons, or 1000 kg) fully fuelled, has a dry mass of 15 tonnes, which includes 5 tonnes of cargo. Assume lox/hydrogen engines with Isp = 445 seconds are used. How much Delta V does this vehicle provide?
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