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15) A hole in a brass plate has a diameter of 1.200 cm at 20°C. What is the diameter of the 15) hole when the plate is heated to 220°C? The coefficient of linear thermal expansion for brass is 19 × 10-6 K-1 A) 1.195 cmm B) 1.210 cnm C) 1.200 cm D) 1.205 cm
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Answer #1

1.205 cm 3-205***************************************************************************************************
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Answer #2
1.2[(1+19×10^-6(220-20)] 1.205
source: Jee
answered by: anonymous
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