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A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which 1. normal shocks appear in the nozzle 2. Oblique shocks form at the exit 3. Expansion waves form at the exit
Determine the magnitude of tensile force and corresponding normal stress of a wire A 28-ft length of 0.25-in
Draw conclusions concerning the process, and relate your interpretation to the possible existence of chance and assignable causes of variation.
calculate the mass of mixture produced at the mixing stage, the mass jam produced from the kettle and the mass od water evaporated from the kettle.
Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when θ = 120°.
The 50-lb load is hoisted by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 15 ft/s after rising s = 6 ft, determine the power that must be supplied to the motor at this instant.
Starting from rest the motorboat travels around the circular path,P = 50m , at a speed v=(0.8t)m/s, where t is in seconds. Determine the magnitude of the boat's velocity when it has traveled 40m. Determine the magnitude of the boat's acceleration ..
Write a paper on Boyle's law and describe Compression and Combustion stroke . Also explain Charles's law and illustrate SI engine and CI engine.
determine (a) the reaction at end A and B , (b) the minimum required cofficient of static friction at end A
The total time it takes to fall is 37 seconds. Find the horizontal lead to hit the target.
Determine the ideal launch vehicle that can put this orbiter into the parking orbit. (hint: you do not have to consider the Sun in this problem. Only SOI of the Earth and the Moon)
Gravitational forces pull the two stars together. What is the speed of each star at the moment of impact?
Find a cylindrical container that is large enough that it takes at least one minute to drain (you may have to create an opening at or near the bottom that gives the right behavior.
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