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Show transcribed image text 1/4 A force is specified by the vector F=120i 160j +80k lb. Calculate the angles made by F with the positive x, y-, and z-axes.
a block of mass 10kg moves along a surface inclined 30acircdeg relative to the horizontal. the center of gravity of the
Air enters a nozzle at 240 kpa and 400 k with a velocity of 10m/s. it exits at 100kpa. the nozzle adiabatic efficiency is 90%. Delta PE=0, s.s.s.f, uniform velocity at exit and entrance.
A weather balloon carries a mercury barometer in order to determine altitude as a function of flight time. At a particular moment, the barometer gives a reading of 558 mm. How high (in meters) is the balloon above standard sea level? (Assume mercury ..
2 kg of saturated vapour water and 8 kg of saturated vapour refrigerant-134a both at 100 kPa. Which substance will release more energy to completely condense the vapour? Explain
for an oil field in the south of texas usa where a vertical well is drilled to a maximum depth of 10000 ft the average
Draw a graph of the function for -4π≤ t≤ 4π and obtain its Fourier series expansion.
A rigid adiabatic container in a room with a barometric pressure of 100 kPa is divided into two unequal volumes as shown. V1 = 0.108 m3 and contains air (R = 0.2870 kJ/kg-K, k = 1.40) at a gauge pressure of 32 kPa and temperature of -3°C.
an aluminum pan whose thermal conductivity is 237 has a flat bottom whose diameter is 20 cm and thickness 0.4 cm. heat
a balloon weights 250 pounds and has a volume of 14000 cubic feet. it is filled with helium which weights 0.0112 pound
an ideal gas is contained within a piston-cylinder arrangement and undergoes a stirling cycle which consists of four
for this problem we will be analyzing a power amplier that is surrounded by air at 25c while the case which is
1. Steady-state conditions exist in the circuit shown in Figure P5.27 for t 0. The switch is closed at t = 0. V1 = 12 V C = 0.47 μF R1 = 680 Q R2 = 2.2 kQ R3 = 1.8 kQ Determine the time constant of the circuit for t > 0.
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