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
The cost of a college education has increased at a much faster rate than costs in general over the past twenty years. In order to compensate for this, many students work part- or full-time in addition to attending classes.
Calculate their typical pay before overtime was cut. (Round your answer to 2 decimal places.Omit the "tiny_mce_markerquot; sign in your response.)
If the mass is released from rest with the spring compressed 0.2 m, it experiences a maximum acceleration of 15 m/s2. Find the value of the mass.
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.
Let R be the region in the first quadrant bounded by the curves y=x and y=x^{5}. A random point (X,Y) is selected from R. a) Calculate the marginal probability density functions of X and Y.
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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