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An object whose mass is 50 lb attached to a rope wound around a pulley. The radius of the pully is 3 in. If the mass falls at a constant velocity of 3 ft/s, determine the power transmitted to the pulley, in horsepower, and the rotational speed of the pulley, in rpm. The acceleration of gravity is g = 32.0 ft/s^2.
The heat transfer convection coefficient between the wall and the fluid is 500 W/m2.K. Find the maximum temperature in wall.
a for a rectangular coordinate system we developed the navier stokes equation for vx. now reduce that equation to
The spool has a mass of 75 kg and a radius of gyration . It rests on the inclined surface for which the coefficient of kinetic friction is . If the spool is released from rest and slips at A, determine the initial tension in the cord and the angul..
in the production of ethanol from corn the solids left after fermentation are dried in a continuous-flow oven. this
How will notches and holes affect the deflection of a cantilever beam? ie. increase or decrease? (Please provide citations)
Finding the volume of hydrogen, A hydrogen filled balloon of the type used in cosmic ray studies is to be expanded to its full size which is a 100-ft diameter sphere, without stress in the wall at an altitude of 150,000 ft.
A vertical run of copper tubing, 5 mm in diameter and 20 cm long, carries condensation vapor at 60 °C through 27°C air. What is the total heat loss?
how does the energy use for the typical family vehicle compare with that for the typical hot water heater? what are the
the initial temperature is 152o c. air expands as an ideal gas from 10 bar and the above temperature to 1 bar in
determine the values of Q that minimizes unit sales cost UC = TC/Q; and compute the annual profit earned by the plant at this quantity.
air undergoes a process with the states given below. find the change of entropy using the ideas gas table and compare
a thin plate moves between two parallel horizontal stationary flat plates at a constant velocity of 5 ms.the two
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