?Identify the point groups to which the following objects belong: (i) a sharpened
Chapter 10, Problem E10A.3(b)(choose chapter or problem)
Identify the point groups to which the following objects belong: (i) a sharpened cylindrical pencil, (ii) a box with a rectangular cross-section, (iii) a coffee mug with a handle, (iv) a three-bladed propeller (assume the sector-like blades are flat), (v) a three-bladed propeller (assume the blades are twisted out of the plane, all by the same amount).
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