46. An aluminum rod is measured with a steel tape at 20 C, and the length...

Question:

46. ••• An aluminum rod is measured with a steel tape at 20 °C, and the length of the rod is found to be 75 cm. What length will the tape indicate when both the rod and the tape are at

(a) −10 °C?

(b) 50 °C? [Hint: Both the rod and tape will either expand or shrink as temperature changes. Keep as many significant figures as needed to express the answer.]

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