Determine the reactions of the surfaces on the ball
The 2-kg ball rests between the 45 degree grooves A and B of the 10 degree inlcine and against a vertical wall at C. if all three surfaces of contact are smooth, determine the reactions of the surfaces on the ball.
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An air compressor takes in air at 100kPa, 17°C and delivers it at 1 MPa, 600K to a constant pressure cooler which it exits at 300K. Find the work performed and heat transfer, both (kJ/kg).
In a 150 MW steam turbine unit operating on an enhanced Rankine cycle, steam is delivered from the boiler to the high pressure turbine at 15 MPa and 500° C.
A particle (m = 3.0 µg, q = 5.0 µC) moves in a uniform magnetic field given by (60j)mT. At t = 0 the velocity of the particle is equal to (30j - 40k) m/s. The subsequent path of the particle is:
Calculate the composition of both elements, in mass percent, if the alloy consists of 87 atom percent Ag and 13 atom percent Cu.
The intensity of a laser beam is 450 W/m^2. What is the rms value of the electric field of this laser beam? (careful-rms, not peak)
At the channel outlet the velocity distribution is given by: (u/umax) = 1 - (y/h)^2, where y is measured from the centerline of the channel. Determine the exit centerline velocity, umax.
What is the initial outlay associated with this project? What are the annual after-tax cash flows associated with this project for years 1 through 9?
The initial density of the air in the tank is 0.02 slug/ft^3. The total tank volume is 20 ft^3 and the exit area is 0.4 ft^2. Find the initial rate of change of density in the tank.
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