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A fan drawing electricity at a rate of 1.5 kW is located in a room measuring 10 ft times 13 ft times 16 ft. The air in the room is initially at 75 degree F and 14.7 psia. The room is well insulated and sealed to prevent air from leaking in or out. Ignoring the volume occupied by the fan and assuming that the fan's internal energy does not change, determine: The mass of air in the room, in Ibm, The air temperature, in degree F, and pressure, in psia. after the fan has operated steadily for 30 minutes.
question 1 bending about two axesthe load p 2 kn is applied to the end of rectangular section cantilever beam shown
Calculate the minimal round-trip time delay for a radio communications link between Los Angeles and the satellite.
The car travels up the hill with a speed of v = (0.4s) m/s, where s is in meters, measured from A. Determine the magnitude of its acceleration when it is at point s = 50 m, where p = 500 m.
a 1 m3 rigid vessel contains 1 kg saturated liquid plus vapor h2o at 100oc. determine the specific volume of the
We're asked to determine the deflection of a beam location for a 2000N load. However the force is directed up the corner NOT centroid.
a compressed air cylinder initially contains air at 25ordmc and 100 kpa. the volume of the cylinder is 0.01021 m3. the
a certain material 2.5 cm thick with a cross-sectional area of 0.1 m2 has one side maintained at 35oc and the other at
what is the pressure at the bottom of a 300 ft tall dam psi? and what is the flowrate of a river that must flow through
a thermometer is initially at a temperature of 70degf and is suddenly placed in a liquid which is maintained at
a pressurized water tank is used as a source of water for a fire hose. the pressure of the air in the top of the tank
an airplane flying at m0 0.8 under standard sea level conditions has instrumentation embedded at the stagnation point
a rocket is launched from the ground in vertical direction. but its engine failed at the moment the rocket has reached
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