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Question: Find the pressure at point 4 of the vertical-plane pipeline drawn in Figure under laminar flow conditions. The pipeline cross-section is circular with an inner diameter di = 30 mm. Known are the pump specific work w = 2 m2 /s2 , l = 10 m, h = 2 m, v0 = 1 m/s, t = 1000 kg/m3 , n = 0.001 N-s/m2 , and the atmospheric pressure pa = 105 N/m2 .
Two adjacent natural frequencies of an organ pipe are determined to be 351 Hz and 405 Hz. (Assume the speed of sound is 343 m/s.) (a) Calculate the fundamental frequency of this pipe. Hz (b) Calculate the length of this pipe. m
A drop of water on a countertop reflects light from a flower held3.30 cm directly above it. What is the focal length of the water drop
The figure below shows three charges at the corners of a rectangle of length x = 0.35 m and height y = 0.22 m. How much work must be done to move the three charges infinitely far from one another?
Given the IUPAC name, draw the structural formula for each alkyl halide.
What is the magnitude of that force? If the can had an initial kinetic energy of 3.00 J, moving in the positive direction of the x axis, what is its kinetic energy at the end of the 2.00m?
Components of some computers communicate with each other through optical fibers having an index of refraction of 1.56. What time in seconds is required for a signal to travel 0.20 m through such a fiber
An object 2.00 cm high is placed 10 cm from a convex mirror with a focal length of magnitude 5 cm. Find the magnification of the mirror
An aluminum wing on a passenger jet is 27 meter long when its temperature is 19°C. Obtain at what temperature would the wing be 8 centimeter (0.08 meter) shorter
What is the velocity of the coupled boxcars after collision?
When the cannon is fired, the ball moves 15.3 cm through the horizontal barrel of the cannon, and there is a constant frictional force of 0.0322 N between the barrel and the ball. Illustrate at what point does it have its max speed?
A whale swims due east for a distance of 18.4 km, turns around and goes due west for 3.51 km, and finally turns around again and heads 8.64 km due east. What is the total distance traveled by the whale
In what order are the Bayer letters assigned to stars? Is delta-Capricorni brighter than alpha-Capricorni? How do you know? In what order are Flamsteed numbers assigned to stars?
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