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If the mass of the cart is 100 Kg and the jet of water leaves the nozzle (of area 0.001 m2 with a speed of 35 m/s, determine the speed of the cart after the jet is directed against the cart.
A 6.0 kg ball traveling 13 m/s collides head-on with a 3.0 kg hunk of putty initially at rest. Assuming a completely inelastic collision, what is the speed of the ball just after the collision?
The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature of R-134a at the exit of the compressor?
Determine the difference in pressure just under the vessel's cover between a point on the circumference and a point on the axis.
Calculate the diffusion coefficient if the diffusion flux is 1.9 × 10-8 kg/m2·s, given that the densities of carbon and iron are 2.25 and 7.87 g/cm3, respectively.
Find the diameter of the smallest shaft that can be used, what is the maximum shear stress in the shaft of this diameter? Use G = 83 GPa for steel.
If the ultimate tensile stress of the material used is 600 MN/m2, and the efficiency of the longitudinal joint is 70 per cent, determine the factor of safety?
As the refrigerant passes through the compressor, heat transfer to the surroundings occur at a rate of 0.32 kJ/s. Determine the power input to the compressor in kW.
As it operates, the machine produces a harmonic force of magnitude 125 N. Determine the operating speeds of the machine at which the machine's steady-state amplitude is less than 0.2 mm.
If after 49.5 h the concentration of carbon s .35wt% at a position 4.0mm below the surface, determine the temperature at which the treatment was carried out.
The gas is allowed to expand until the pressure is 1 bar and the final volume is 0.02 m^3. Calculate (1) the molar mass of the gas and (2) the final temperature.
While the piston mass is 30 kg, its area is .003m^2, and the ambient pressure is 100 kPa. The pin is then removed and the H2O expands rapidly and adiabatically. What is the final state of the H2O?
Determine the required stiffness k(B) of the inner spring so that the motion of the ingot is stopped at the moment the front, C, of the ingot is 0.3 m from the wall.
The pipe is in the middle of the pillar, and is 10m long. If the pipe surface is 500K and the outside of the concrete pillar is 300K, what is the heat loss from the pipe?
The condenser pressure is 1 lbf/in2. If the turbine stages and pumps operate isentropically, determine the thermal efficiency of the cycle. You must draw a schematic for this problem.
Determine a) the flow capacity in L/min of the fan that needs to be installed, b) the diameter of the duct if the air velocity is not to exceed 4 m/s.
If the radius of gyration of the flywheel is 698 mm, calculate the average magnitude of the couple exerted on the flywheel by friction within its bearing.
Determine: a) the volume flow rate of the refrigerant at the inlet, b) the mass flow rate of the refrigerant, c) the volume flow rate of the refrigerant at the exit, d) the velocity of the refrigera
A t=10-mm-thick horizontal layer of water has a top surface temperature of Tc = - 4 C and a bottom surface temperature of Th = 2 C. Determine the location of the solid-liquid interface at steady sta
The tubes at 6 MPa and 450 degrees Celcius with a velocity of 80 m/s. Calculate the velocity of the water at the tube inlet, and the inlet volume flow rate.
Why is the initial inlet line pressure below atmospheric pressure in both the cavitation and air entrainment tests? Explain the reason the pressure drops in the pump inlet line as the cavitation tes
The force in the cable is F= (3200 t^2) N, where t is in seconds. (Incline is a 17-8-15 triangle) If the car has an initial velocity v1= 2m/s at s= 0 and t= 0, determine the distance it moves up the
It is desired to select a flat plate or plate and frame type heat exchanger for proble. Is it possible to use the approach method to identify the appropriate heat exchanger from FlatPlate Inc?
Design the shell and tube heat exchanger based on the information given above: shell diameter, tube diameter, tube length, heat transfer area, pressure drop. Make any necessary assumptions.
From there, it is isochorically brought to a final pressure and temperature of 10 bar and 200°C. Show the process on a P-v diagram and determine the work transfer for each process (W12 and W23).