A student walking to class on a cold day (T=0 C) finds a silver ring with an inner diameter of D=1.8 cm. The silver has a coefficient of expansion of a=18.7 x 10^-6
a) Input an expression for the rings inner diameter Dh when the student warms it up to their body temperature, Tb.
b)What is the change in diameter in mm if Tb = 37 C
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