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For a given hypothetical flow, the velocity from time t=0 to t=5 seconds was u=2 m/s , v=0. Then, from time t=5 s to t=10 s, the velocity was u=+3 m/s, v=-4 m/s. A dye streak was started at a point in the flow field at time t=0, and the path of the particle in the fluid was also traced from that same point starting at the same time. Draw to scale the streakline, path-line of the particle, and stramlines at time t=10 s.
One form of which consists of three equal weights joined by equal length ropes. The gaucho holds on to one weight spinning the bolas overhead. When the bolas is cast the weights cause the configuration to change
what pH is required to precipitate all but 0.20 mg/L of iron from a raw water with an Fe 3+ concentration of 2.1 mg/L Assume the temperature is 25 C. The reaction isFe(OH)^3 = Fe + 3 OH^- and pKs= 38.57
If the amount of heat transfer in the HE unit is 2460 kJ per kg of steam, what is the magnitude of shaft work obtained from the turbine in kW?
a 2kg moves down a 45 degree incline at a constant velocity of .1m/s. What is the value of the kinetic coefficient of friction between the object and the incline
water is pumped into an irrigation pond at 250 gal/min for 24 hours. the pond area is 2500 square feet. Determine the depth of water in the pond .Provide answer in ft and m
If the 50 kg crate starts from rest and travels a distance of 6m up the plane in 4s, determine the magnitude of force P acting on the crate. The coefficient of Kinetic friction between the crate and the ground is 0.25
Determine the minimum height on the wall to which the firefighter can project water from the hose, so that the water strikes the wall horizontally. The speed of the water at the nozzle is Vc=48ft/s.
A concrete pipeline is installed to deliver 6m^3/sec of water (10degressC) between two reservoirs 17 km apart. If the elevation difference between the two reservoirs is 12m, what is the required pipe size
Collar A is dropped 30 inches onto collar B, which is resting on a spring of constant k= 4 lb/in. Assuming perfectly plastic impact (coefficient of restitution e=0), determine the maximum deflection of collar B.
The sulfur dioxide (SO2) stack-gas concentration from fossi-fuel combustion is 2 ppmv. Determine the stack-gas SO2 concentration in units of micro grams/m^3. Assume 0C and 1 atm pressure
What is the average length of queue, the average time spent in the system, and the average waiting time in the queue?
Starting from x = 0 with no initial velocity, the acceleration of a race car is defined by the relation a = 6.8e-0.00057x, where a and x are expressed in m/s2 and meters, respectively. Determine the position of the race car when v = 30 m/s.
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