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- A drum when rotating at 439 rev/min has a kinetic energy of 0.56 MJ. Find the moment of inertia.Fluid mech 1.A cargo truck having a weight of 4000 lb skids through a distance of 46 m before colliding with a parked Toyota land cruiser having a wight of 2000 lb. After collision both vehicles skid through a distance equal to 10 m before stopping. If the coefficient of friction between tires and pavement is 0.6 m, compute the speed of the truck after collision. 2. A driver of the service car at Solair Casino Hotel is traveling at 55 mph on a wet road. An object is spotted on the road 450 ft. ahead and the driver is able to come to a stop just before hitting the object. Assuming standard perception/reaction time of 2.5 sec and practical stopping distance, determine the grade of the road if the car has a deceleration of 11.2 ft/sec2.A particle travels along a straight line with an acceleration of a = (13 - .2s) m/s2 , where s is in meters. Determine the velocity of the particle when s = 10 m if v = 5 m/s at s = 0.
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- a train weighs 15,000 kN. the trains resistance is 6 N per kilo newton. if 5000 kw is available to pull this train up a 2% grade, what will be its maximum speed in kph.A vertical circular cylindrical tank 3.0 m diameter contains water. If the surface is 7.0 m above 10 cm diameter orificice (Cv=0.98, Cc=0.61), determine the time for the velocity of the issuing jet to change from 10 m/s to 7 m/s. 435 seconds 474 seconds 415 seconds 460 secondsA 40-g rifle bullet is fired into a balistic pendulum of mass 5kg suspended from a chord 1m long. The bullet remains embedded in the pendulum. Compute the initial velocity of the bullet if the center of gravity of the pendulum is observed to rise a vertical distance of 30 cm
- A diffuser in a pipe flow is basically a slow expansion of the pipe diameter, which slows down the fluid velocity and increases the pressure (the Bernoulli effect). Water at room temperature flows with a volume flow rate of 0.0250 m3/s through a horizontal diffuser in which the pipe diameter increases gradually from D1 = 6.00 to D2 = 11.00 cm. The irreversible head loss through the diffuser is estimated to be 0.450 m. The flow is turbulent, and the kinetic energy correction factors at both the inlet and outlet of the diffuser are assumed to be 1.05. Calculate the pressure difference P2 – P1 in units of kPa using the energy equation. (b) Repeat using the Bernoulli equation (ignore irreversible head losses and ignore kinetic energy correction factors—in other words, set the kinetic energy correction factors to 1). Calculate the percentage error in the result due to the Bernoulli approximation, and explain why (or why not) Bernoulli is applicable here. (c) It may be surprising that the…Please solve the problem quickly including the free body diagram. I have 30minsAn irrigation line carries water from a lake down into an arid valley floor 810 ft. below the surface of the lake. The water is discharged through a nozzle with jet velocity of 220 fps, the diameter of the jet is in 4 in. Compute the following: a) head lost in friction