Question: 3. A square high-density polyethylene [= 158x10-5PC] plate has a width of 300 mm. A 180 mm diameter circular hole is located at the

3. A square high-density polyethylene [= 158x10-5PC] plate has a width of

3. A square high-density polyethylene [= 158x10-5PC] plate has a width of 300 mm. A 180 mm diameter circular hole is located at the center of the plate. If the temperature of the plate increases by 40C, determine: (a) the change in width of the plate. (b) the change in diameter of the hole.

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