U.S. penny has a diameter of 1.9000 cm at 20.0°C. The coin is made of a metal alloy(mostly zinc) for which the coefficient of linear expansion is 2.6 x 10-5 K-1. What would itsd iameter be on a hot day in Death Valley (48.0°C)? On a cold night in the mountains ofG reenland is -53°C? (Ans: 1.9014 cm, 1.8964 cm)

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