Question: A metal ball that is 1.2 m in diameter expands by 2.2 mm when the temperature is increased by 95 °C. (a) What is the
A metal ball that is 1.2 m in diameter expands by 2.2 mm when the temperature is increased by 95 °C.
(a) What is the coefficient of thermal expansion for the ball?
(b) What substance is this ball likely made from? (Refer to Table 16-1.)
Table 16-1
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Coefficient of linear Coefficient of volume expansion, a(K') expansion, B(K ') Substance Substance Lead Ether 1.51 x 103 29 x 106 Aluminum Carbon 24 x 10 1.18 x 10 tetrachloride Brass 19 x 106 Alcohol 1.01 x 10 Copper 17 x 106 Gasoline 0.95 x 103 Iron (steel) 12 x 10 Olive oil 0.68 x 103 Concrete 12 x 106 Water 0.21 x 103 Window glass 11 x 106 Mercury 0.18 x 103 Pyrex glass 3.3 x 10 6 Quartz 0.50 x 106
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