Chapter 13: Q16PE (page 470)
(a) Suppose a meter stick made of steel and one made of invar (an alloy of iron and nickel) are the same length at 0ยบC . What is their difference in length at 22.0ยบC ? (b) Repeat the calculation for two 30.0-m-long surveyorโs tapes.
Short Answer
(a) The difference in length of meter stick made of steel and invar is
(b) for 30 meters of length.