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1. Acetylene at 50.0 psia, 65.0°F is accelerated through a converging-diverging nozzle isentropically until it reaches an exit pressure of 14.7 psia. Assuming the flow enters the nozzle with a negligibly small velocity, determine the exit Mach number, temperature, and exit to throat area ratio.
2. Carbon dioxide gas at 13.8 MPa, 20.0°C is expanded isentropically through a converging-diverging nozzle until its exit temperature reaches -100.°C. Assuming the flow enters with a negligible inlet velocity, determine the exit Mach number, pressure, and exit to throat area ratio.
A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struck by a bat for 0.00200 seconds, Find the average net force of the ball
A projectile is launched from ground level to the top of a cliff which is 195m away and 155 m high, find the initial velocity of the projectile
A 74.1 kilogram person steps off a platform 3.12 meter above the ground. Find his speed at the instant his feet touch ground
electric train consider the possibility of a new design for an electric train. the engine is driven by the force on a
A 4.000 liter container is filled to the brim with ethanol at 20.0 °C. The container is heated to 30.0 °C. What is the volume expansion coefficient of the container material
a skydriver weighs 131 lb. when the skydriver reahces terminal speed, how much air drag does the skydriver is experience
a current of 0.97a flows through a copper wire 0.44mm in diameter when it is connected to a potential difference of
FOUR PEOPLE WITH A COMBINED MASS OF 300 KG ARE RIDING IN A 1100 KG CAR. WHEN THEY DRIVE DOWN A WASHBOARD ROAD WITH BUMPS SPACED 5.0M APART, HOW MUCH DOES THE CAR RISE UP ON ITS SPRINGS
At some instant the velocity components of an electron moving between two charged parallel plates are Vx=1.5*10^5 m/s. What is the acceleration of the electron
The speed of the fastest-pitched baseball was 45.0 m/s , and the ball's mass was 145g. How many joules of kinetic energy did this ball have
When two identical ions are separated by a distance of 8.3×10?10m , the electrostatic force each exerts on the other is 5.4×10?9N How many electrons are missing from each ion
there are 3 point charges q14.010-6 c q22.010-6 c q3-3.010-6 c.a. find the electric potential at points a and b.b. find
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