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exam1_solutions

# exam1_solutions - E S330 S ection 2 N ame 5o\0~o S M idterm...

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Midterm Exam # 1 10107/10 . Name: 5o\0~o(\ S You will have 1.25 hours to complete the exam. Please show all work and list any ass.umptions that you are making in the solution. You must draw a control volume, free body diagram, and coordinate system if required by the problem to receive credit for your work. I. (30 points total) Given the velocity field: V = ety? - etCx -1)J ,where c is a constant. Ca) (10 points) Derive an expression for the acceleration. (b) (5 points) If c=2.0 1/s 2 , what is the x-component, ax, of the acceleration at x=O.I, y=0.3, t= 1.0? (c) (5 points) What is the x-component velocity at this point and time? Cd) (5 points) Is the flow steady or unsteady? (e) (5 points) Is the flo w l-D, 2-D or 3-D? q) ~ ~~ ut;-\ U~ t- v~ (:1 -\- (C-\ito) -\- [-c-\ (j. -\U( - \.,,- 2--t (y.- ) ~ ~C(I\-\) T c( \- x\ - C'{L! ('I - t L + i ( j. -I) = "2 ( ~. ~ ') - (i'?" ( \ )l ( o. l - 0 L I 2. cy;

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exam1_solutions - E S330 S ection 2 N ame 5o\0~o S M idterm...

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