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A student walking to class on a cold day (T = 1 C) find a...

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Physics

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A student walking to class on a cold day (T = 1 C) find a silver ring with an inner diameter of D = 1.55 cm. The silver has a coefficient of linear expansion of a = 19.9 x 10^-6 1/C. Part (a) Input an expression for the rings inner diameter Dh, when the student warms it to their body temperature, Tb.Part (b) What is the change in diameter in mm if Tb= 37 C?

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