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A liquid fueled rocket is red on a test stand. The rocket nozzle has an exit diameter of 30 cm and the combustion gases leave the nozzle at a velocity of 3800 m/s and a pressure of 100 kPa, which is the same as the ambient pressure. The temperature of the gases in the combustion area is 2400 C. Find
(a) the temperature of the gases at the nozzle exit plane,
(b) the pressure in the combustion area, and
(c) the thrust developed. Assume that the gases have a specic heat ratio of 1.3, and a molar mass of 9. Assume that the flow in the nozzle is isentropic.
Mike pulls a sled across level snow with force of 235 N along a rope that is 35.5° above the horizontal. If the sled moved the distance of 75.0 m, how much work did Mike do.
Physics 1401 problems about rotational motion and angular displacement and angular velocity and angular acceleration about height problems.
A jet is flying horizontally. when the plane is directly overhead at B, A person on the ground hears the sound coming from A. the average temperature of the air is 20 degrees celcius. if the speed of the plane at A is164 meters per second, what is..
A cardinal (Richmondena cardinalis) of mass 3.60×10-2 kg and a baseball of mass 0.140 kg have the same kinetic energy. What is the ratio of cardinal's magnitude p_c of momentum to the magnitude p_b of the baseball's momentum.
What is decrease in kinetic energy throughout the collision.
A bicycle wheel has an initial angular velocity of 16 radians/second and acceleraties to a final angular velocity of 42 radians/second, Determine the time required for this motion to occur
What are the final temperatures of water and the aluminum.
A 253 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
A cardinal (Richmondena cardinalis) of mass 3.60×10-2 and a baseball of mass 0.146 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of baseball's momentum.
It walks 2.1 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find out how far the dog is then from the shore.
At this point, person doing the laundry opens the lid, and a safety switch turns off the washer. The tub smoothly slows to rest in 11-s. Through how many revolutions does the tub turn while it is in motion.
Displacement d1 is in the yz plane 58.4° from the positive direction of the y axis, has a positive z component of 5.99 m, find the angle between d1 and d2
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