Exam8_Solutions2007

Exam8_Solutions2007 - ME or BME Class? _ SOLUTIONS_...

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ME or BME Class? ____ SOLUTIONS _____ NAME____ SOLUTIONS _____________ Fluid Mechanics Exam 8, Spring 2007 There are 6 problems on this exam for a total of 82 points Problem 1: 10 points Problem 2: 16 points Problem 3: 14 points Problem 4: 13 points Problem 5: 12 points Problem 6: 17 points (question 6A was not counted) By signing below I agree to abide by the following honor code: As a member of the Northwestern community, I will not take unfair advantage of any other member of the Northwestern community. I specifically agree not to reveal to any other student the contents of this exam. Signature: Date:
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ME or BME Class? ____ SOLUTIONS _____ NAME____ SOLUTIONS _____________ h g V o, A o Problem 1) Water (density , assumed inviscid) streams steadily, straight downwards, from a pipe into the atmosphere and pools up on the ground without splashing. The fluid emerges from the pipe with uniform velocity V o and area A o . The outlet of the pipe is a distance h above the ground. Find the force (magnitude and direction) that the water exerts on the ground in terms of V o , A o , h, g, and . Write your final answer in this box: Grading criteria: 3 points for finding v1 = sqrt(Vo^2 + 2gh) 6 points for correctly finding Ry 1 point for defining a coordinate system For a total of 10 points
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ME or BME Class? ____ SOLUTIONS _____ NAME____ SOLUTIONS _____________ h V o, A o g Problem 2) Water (density , assumed inviscid) streams steadily from a pipe into the atmosphere. It bounces off the ground as shown in the figure below. The fluid emerges from the pipe with uniform velocity V
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Exam8_Solutions2007 - ME or BME Class? _ SOLUTIONS_...

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