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The angle between the incline and the horizontal is theta= 30 degrees. Determine the acceleration of A, the acceleration of B, and the tension in the rope after the system is released.
The pressure is held constant during the process, while the volume is doubled. Determine the current that passes through the resistance heater.
Calculate the work done by the gas during these irreversible, isothermal expansions. Compare this result to work done in a quasi-static (reversible), isothermal expansion.
A 2250 L tank contains 5.682 kg of steam at 5 bar. Determine the temperature and Z (compressibility) of steam using: Ideal Gas equation of state. Virial equation of state.
The heater considered is a natural gas furnace whose efficiency is 80 percent. What heater size (in kW input) would you recommend to your client?
Assume that 350 kJ/kg of energy must be removed by heat transfer to freeze water at 0 °C, and that the surroundings are at 25 °C.
Sketch the cycle on p-v coordinates. (b) Evaluate the heat and work for each process, in kJ. (c) Evaluate the thermal efficiency.
Determine the work (kJ) performed by the air in the cylinder on the piston. Determine the work (kJ) performed by the piston on the ambient environment. Neglect the cross-sectional area of the connec
The motor is 15 in long and 10 in in diameter. The A area is the total surface area including sides and ends. Calculate the steady state temperature of motor.
Determine the magnitude and direction of the force exerted on the reducer by the water. The momentum flux correction factor at inlet is 1.03 and at outlet it is 1.0.
Assume the controls are set to heat water to 140 degree F, the inlet temperature of the water is 55 degrees F. What is the minimum time it will take to heat the tank from 55 degree F to 140 degree F
A charged particle with a charge-to-mass ratio of |q|/m = 5.7 108 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is 0.66 T.
Calculate the total supply flow rate (in m^3/s) B)the ratio of the flow rate bypassing the cooling coil. C)the coil cooing load ( in TR). D)The total heating load.
What is the number of turns per meter of length of the solenoid? Note that the solenoid used to produce the magnetic field in this type of system has a length that is not very long compared to its d
There is a current of 3.60 A in the wire. In the presence of a 2.50-T magnetic field, what is the maximum torque that this coil can experience?
When the wire is tilted upward at an angle of 19° it experiences a magnetic force of 4.80 10-3 N. Determine the magnitude of the external magnetic field.
The bed of the truck is 0.3 and static friction is not sufficient to prevent slip, determine the minimum distance d between the crate and the truck B so that the crate never hits the truck at B.
Find the final pressure in the cylinder. Determine the heat transferred and the work done from the beginning to the end.
A particle moves along a circular path of radius 300 . If its angular velocity is 2t , where is in seconds, determine the magnitude of the particle's acceleration when = 4 .
For the process where q= 62.5 kj/kg and wkcs= 60 kj/kg determine the energy change if the system mass is 2 kg" 2.) Into a closed boiler containing 100kg of water.
The maximum height h of the loop is the same as the initial height of the block. Will A make it completely around the loop without losing contact with the track?
To the nearest 0.1, what is the safety factor if the bracket is extended so that the load is now 18 inches from the wall and the load is changed to 72 pounds?
When the sign is in place, the cable height at the sign is 8 feet below the anchor points. In order to design the anchor hardware, it is necessary to determine the tension in the cable. What is that
When is the stress due to P of the same order of magnitude as that due to the weight of the bar? When can you ignore the stress induced in the bar due to its own weight?
If the column is hanging from its broad end, determine the maximum stress and the total change in length due to the weight.