Find air velocity at the exit if inlet velocity is very low
The exhaust nozzle of a jet engine expands air at 300kPa and 200oC adiabatically to 100kPa. Determine the air velocity at the exit when the inlet velocity is very low (can be neglected) and the nozzle isentropic efficiency is 90%.
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A proton is fired with an initial velocity of 1.5x10^6 m/s into a uniform electric field. The proton was brought to a stop in .5 m. Calculate the acceleration of the proton. Calculate the net force acting on the proton and calculate the strength o
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Determine the air velocity at the exit when the inlet velocity is very low (can be neglected) and the nozzle isentropic efficiency is 90%.
What is the magnitude of the approximate magnification of a compound microscope with objective and eyepiece focal lengths of .30cm and 3.6 cm, respectively, and a separation between lenses of 20 cm?
Two points along a straight stick of length 39 cm are randomly selected. The stick is then broken at those two points. Find the probability that all of the resulting pieces have length at least 7 cm.
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Between two parallel plates that are 0.02 m apart there exists a voltage of 50 V and an electric field of 2500 N/C. A proton is placed at rest near the positive plate and then released. Calculate the final velocity of the proton just before it st
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