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An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. The narrow section is 14.0 m (as measured along the pipe) from the wide section and the narrow section is higher than the wide section. The velocity of the fluid in the wide section of the pipe is 3.50 m/s and the pressure of the fluid in the wide section is 240 kPa. If the pressure in the narrow section of the pipe is 175 kPa, what is the velocity of the fluid in the narrow section? (the density of the fluid is 1000 kg/m3)
A coating is applied to a lens to minimize reflections. The index of refraction of the coating is 1.66 and that of the lens is 1.56. what is the largest wavelength that is minimally reflected
In uniform circular motion, a particle undergoes motion in a circular path with a constant speed. Which of the following statement is false and why?
Calculate the thermal broadening for a Ca II K line at 3933 A, given stellar photospheric temperatures of 3000,6000 and 9000K. Interpret the results and discuss the effect of temperature on this line profile.
Two circular coils are concentric and lie in the same plane. The inner coil contains 92 turns of wire, has a radius of 0.018 m, and carries a current of 5.5 A. The outer coil contains 110 turns and has a radius of 0.032 m. What must be the magnitude ..
A starcruiser, measured by its passengers to be 80.0m long, whizzes by an Earthling at speed 0.992c. What length does the Earthling measure the ship's length to be
A stone is thrown upward with an initial velocity of 6 m/s. What maximum height will the stone reach?
A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is perpendicular to a rough wall. What is the smallest value of the coefficient of friction
q1. how many 104 w lightbulbs can you use in a 134 v circuit without tripping a 14 a circuit breaker? the bulbs are
A soap film whose index of re%uFB02ecetion is 1.33 is suspended in air. When sunlight strikes the film nearly perpendicularly, Find the thickness of the film
A 21kg solid door is 220 cm tall, 92cm wide, What is the door's moment of inertia for rotation about a vertical axis inside the door, 13cm from one edge
An ideal gas is brought throught an isothermal compression process. what are the temperature T of the the gas and the final pressure Pt
(a) If the elevator moves with an upward acceleration a with arrow of magnitude 2.0 m/s2, find the tensions T1 and T2 in the upper and lower strings. T1 = N T2 = N
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