(a) When cooled, the densities of most objects (1) increase, (2) decrease, (3) stay the same. (b) By what percentage does the density of a bowling ball change (assuming it is a uniform sphere) when it is taken from room temperature (68°F) into the cold night air in Nome, Alaska (−40°F). Assume the ball is made out of a material that has a linear coefficient of expansion a of 75.2 × 10−6/°C.
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