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A 0.30-m-diameter cork ball (SG = 0.21) is tied to an object on the bottom of a river as is shown in Fig. P9.78. Estimate the speed of the river current. Neglect the weight of the cable and the drag on it.
The mass of the shaft and collar may be neglected. The cord keeps the rod at an initial angle of 30? with the vertical while the shaft is initially rotating freely at angular velocity φ? = 200 rad/s. The cord suddenly breaks.
Is this process possible?- If not, what is the maximum possible compression pressure that could be reached with this process?
Silicone rubber has a Poisson’s ratio of 0.4 Consider a silicone rubber drain hose for a surgical procedure. The hose has an outer diameter of 4mm and a wall thickness of 0.5mm. How much does the lumen of the catheter constrict if the hose is stretch..
Water flows through a 2 cm opening in the side of a tank. If the opening is 8 m below the surface of the water,what volume of a water would escape from the tank per minute?If a stream of water escapes from another hole 2 m above the base of the tank ..
Gasoline flows from a 0.25 m diameter pipe in which the pressure is 250 kPa, that contracts into a 0.125 m diameter pipe in which the pressure is 100 kPa. If the pipes are horizontal bad viscous effects are negligible, determine the flow rate (Q). (G..
(Whipple bicycle model) Consider the Whipple bicycle model given by equation (3.7) in Section 3.2. A state feedback for the system was designed in Exercise 6.12. Design an observer and an output feedback for the system.
if the 1500-lb boom ab the 200-lb cage bcd and the 175-lb man have centers of gravity located at points g1 g2 and g3
A paper airplane is thrown up a hill with slope theta = 16.26 deg during a rainstorm. The airplane has an initial speed of 10 ft/s and is fired at an angle of phi=32.52 deg from the horizontal. Rain accumulation on the wings results in a vertical acc..
Execute the calculations descibed above, using Program 17.2 or some other program, for instance using Excel, and investigate the influence of the value of the parameter α, say α = 0.25 and α = 1.00. Determine the coefficient of consolidation, usin..
a ground-coupled heat pump operates on the ideal vapor-compression cycle with refrigerant 134-a as the working fluid.
The 50-lb load is hoisted by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 15 ft/s after rising s = 6 ft, determine the power that must be supplied to the motor at this instant.
At that point, inlet flow rate wt is adjusted so that the level remains constant. However, on this particular day, corrosion of the tank has opened up a hole in the wail at a height of 1 m, producing a leak whose volumetric flow rate q4 (m3/min) c..
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