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A car of mass 2000 kg travelling 30 degree north of east at 20 m/s strikes a car of mass 3000 kg travelling 10 degree west of north at 10 m/s.
Calculate the flow field downstream of the plate, i.e. determine the Mach number, static pressure, and flow direction for each region behind the plate.
A water balloon launcher uses two bungee cords each of effective spring constant 125 N/m stretched a distance of 0.8 m from equilibrium to launch a 0.25 kg water balloon.
The standing wave at the pier nose is observed to be 2.5 cm in height. what are the corresponding values of velocity and wave height from the prototype?
The flow rate = 5 kg/s. Determine the direction of flow and determine the rate and the diversion at which work is transfered, in W.
Determine the radiosity at the top plate surface, the net radiation heat flux at the top surface, and the rate at which the temperature of the plate is changing with time.
Determine the rate of entropy generation of the steam inside the turbine. List a potential cause of the entropy generation.
Determine the final pressure of the air. Determine the total amount of entropy generation during the process in kJ/K.
Determine the minimum power required to operate this heat pump in kJ/hr. How much work would be required to provide the heat from a 100% efficient electric heater instead of a heat pump?
At a cutting speed of 250 fpm the tool life was 24 minutes. Determine the speed at a tool life of 16 minutes using Taylor's tool life equation. Is the trend of tool life with respect to speed linear?
Calculate the true stress at this value for the above material. Use an average of this stress and the true yield stress to determine the average true stress of the strip in the roll gap. Determine t
The material reaches plastic deformation at a third of the distance from the original gauge length to L. Calculate the true yield strain and true yield stress.
With corresponding surface temperatures of t1 = 30 degC and t2 = 20 degC respectively. Determine the equation of the temperature field within the pipe material.
A cylindrical duct supplies 1.20 kg/s of combustion air at 150 C and 95.0 kPa to a furnace. If the velocity of the air is not to exceed 100 m/s calculate the minimum diamter (m) of the duct.
Design a controller to this system and choose the value of K so that the new open-loop transfer function of the system satisfies the following requirements.
Determine the specific entropy of the steam at the turbine exit. Determine the rate of entropy generation of the steam inside the turbine.
Determine the equation which describes the motion. what is the phase angle? assume that positive displacement is downward.
If the temperature changes 30 degrees celsius during a measurement of a pressure of 200 MPa, determine the error resulting from the dual sensitivity of the transducer.
What is the heat loss per unit length of pipe when heated oil at 120 C flows through the pipe and the surface of the earth is at a temperature of 0 C?
The total number of cells in device is 2*10^9. The rate of oxygen metabolism is 7.8 nmol oxygen/min/mg of cells. The cell mass is 33.7*10^ -12g/cell. How much oxygen must be delivered to the device
Measurement indicates that to cause this flow the acting on volume is 120N in the negative x direction. Determine the net rate of flow of linear momentum through the control surface.
A new prototype, proven to perform with an Isp of 1000s, but which has never been flown, is being considered. Do the mass savings achieved by the new thruster justify its use?
A LOX/LH2 rocket engine with a chamber pressure of 25 atm is optimized with an isentropic nozzle. Find the Isp and thrust produced by the rocket engine.
For a relaxed normal eye (assume a viewing distance of 25.0 cm), calculate the position of the object if the distance between the lenses is 16.3 cm?
The combustion chamber pressure and gas temperature downstream of the grain are 2.17 MPa and 2580K, respectively. Estimate, at the beginning and end of combustion the static pressure ratio p2/p1 along