CTC 261 Midterm

All work must be your own.

Work Chapter 3, Problem 8

Work Chapter 4, Problems 12, 13, and 14.

Work the following buoyancy problem:

A concrete cube 0.5-meters on each side is to be held in equilibrium under water (10 C) by attaching a light foam buoy to it.  What is the minimum volume of the foam buoy?  The specific weights of the concrete and of the foam are 23.58 kN/m3 and 0.79 kN/m3, respectively.

 

All work must be turned in by Thursday, March 15, 2007 at 4:00 pm.

 

 

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