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An electric motor consumes 9.00 KJ of electrical energy in 1.00 min. If one third of this energy goes into heat and other forms of internal energy of the motor, with the rest going to the motor output, how much angular speed is required to run this motor when 0.382 Nm torque is applied.
a boat travels at a constant speed of 15 ms around the circumference of a half circle in a time span of 45 s. what is
air is compressed by a 30-kw compressor from p1 to p2. the air temperature is maintained constant at 25 degrees c
water flows at 50oc inside a 2.5-cm-inside-diameter tube such that hi 3500 wm2 oc. the tube has a wall thickness of 0.8
A residential heat pump has a coefficient of performance of 2.6. How much heating effect in Btu/h will result when 4.6 hp is supplied to the heat pump?
water is drawn at steady state from a body up 15 m to a storage tank by a pump. pressure at the opening of the pump is
The university requires proof of compulsory vaccinations (including 2 shots of the MMR vaccine) for its students but not its faculty. Provide economic justification for this different approach to student and faulty vaccination requirements.
a particular road vehicle weighs 4000 lb. using the quarter-car model determine a suitable value for the suspension
compare it with efficiency of an otto cycle operating with the same maximum pressure?
the crate s is being lifted by a man moving to the right with constant speed of 0.50ms. determine the velocity and
At this temperature the solution density is 80.3 lb/ft3 and the viscosity is 136.8lbm/ft · hr. What is the volume flow rate when the impressed pressure difference is 5.39 psi?
a wall is 2m high by 3m wide and 20cm thick. it is made of a material with a k.5 wmk. a temperature difference of 60
White noise has a constant level when measured in frequency bands of constant width. Suppose a noise generator produces white noise over the octave bands 0.5,1,2,4,8 khz. Find the overall unweighted and a-weighted sound pressures if a sound pressure ..
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