Water is flowing through a 45° reducing pipe bend at a rate of 200 gpm and exits into the atmosphere (p2 = 0 psig). the inlet to the bend is 1 ½ in. inside diameter, and the exit is 1 in. inside diameter. ignoring losses, calculate the force (magnitude and direction) exerted by the fluid on the bend relative to the direction of the entering stream. express your answer in units of newtons. hint. use bernoulli’s equation between the inlet and outlet to determine the upstream pressure p1.
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Physics, 21.06.2019 23:30
Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?
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Physics, 22.06.2019 12:00
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 1
Water is flowing through a 45° reducing pipe bend at a rate of 200 gpm and exits into the atmosphere...
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