A Copper Plate Has a Hole with a Diameter of 2.50

question 61

Multiple Choice

A copper plate has a hole with a diameter of 2.50 cm.A copper shaft with a diameter of 2.501 cm is to be inserted into the hole.If the linear coefficient of thermal expansion for copper is 17.0 $\times$ 10^-6/ $^{\circ}$ C,then what is the decrease in temperature the copper shaft has to be subjected to in order to allow the shaft to just fit inside the hole?

• A) 23.5\(^{\circ}\)C
• B) 26.4\(^{\circ}\)C
• C) 30.1\(^{\circ}\)C
• D) 33.3\(^{\circ}\)C
• E) 39.5\(^{\circ}\)C

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