hw2F09

# hw2F09 - AAE333 Fall 2009 Problem Set#2 Due Monday 10 bonus...

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AAE333 Fall 2009 Problem Set #2 Due: Monday 9/14/09 10% bonus if turned in on Friday 9/11/09 (3? problems worth 25 points) 1. [5pts] Consider the “rotating teacup” problem discussed in class on Sept 2. Solve the equation of static equilibrium to find the pressure distribution within the liguid and the shape of the free surface. Assume the depth of the liquid was H before spinning it up. What is the depth at the centerline and at the cylinder walls after spin up (assuming no spillage). 2. [10pts] Consider a rectangular block, 2in by 8in, submerged in water. The block is tilted at 45deg so the lower edge corners are at (x,y)=(0,0) and (a,-a),where a=4Sqrt(2) with gravity acting in the –y direction. a) Determine the buoyant force (per unit width) using the formula derived in class b) Determine the moment about the corner (0,0) (per unit width) using the formula derived in class c) Plot pressure vs x around the perimeter of the block. Label upper and lower surfaces. (measure pressure from the (0,0) corner)

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hw2F09 - AAE333 Fall 2009 Problem Set#2 Due Monday 10 bonus...

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