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A small experimental rocket which has a mass of 70 kg is accelerated at a rate of 6 m/s2. Determine the total force required for the following two cases (a) the rocket is moving horizontally and (b) the rocket is moving vertically upwards. Neglect any frictional effects and assume that the local gravitational constant is 9.45 m/s2. Determine the answer in both SI units (Newtons) and English units (lbf).
a cylinder contains 2 kg of steam at 200 kpa and 200 c. the steam is compressed at constant pressure until its
determine the pumpcompressor work input leave as kjkg required to isentropically compress water in part a as a liquid
Also find out a compression ratio and inlet pressure to give maximum imep. engineering fundamentals of internal combustion enignes - pulkrabek.
a transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor as shown
air flows through a convergent-divergent nozzle from a large reservoir in which the pressure and temperature are
a carnot cycle engine using 1 kg air has the following conditionsheat addition beginning at 15 mpa and 1200k and
an ideal gas is brought through an isothermal compression process. the 2.00 moles of gas go from having an initial
n air compressor operates at steady state with air entering at p1 1 bar t1 17 c and exiting at p2 5 bar. the air
a formula-1 car encounters a hump which has a circular shape with smooth transitions at either end. a what speed vb
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.
consider a cross flow of water saturated water that comes at 20c with a velocity of 5 ms on the surface of a
One kilogram of air as an ideal gas executes a Carnot power cycle having a thermal efficiency 50%. The heat transfer to the air during isothermal expansion is 50 kJ. At the end of the isothermal expansion, the pressure is 574 kPa and the volume is..
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