Question
A hole in an aluminum plate has a diameter of 1.465 cm at 22.80° C.
(a) What is the diameter of the hole at 199.0° C (to four significant digits)?
(b) At what temperature is the diameter of the hole equal to 1.463 cm (to three significant digits)?
(a) What is the diameter of the hole at 199.0° C (to four significant digits)?
(b) At what temperature is the diameter of the hole equal to 1.463 cm (to three significant digits)?
Answers
bobpursley
the diameter expands by ∆L=L0.α. ∆T