Question

A metal rod is 75 cm. long at 18°C and 0.072 cm. longer at 98°C. Calculate the coefficient of linear expansion of the metal.

Answer 1

@LastDayWork is 0.072 the delta L or the final length?

Answer 2

What formula are you using ??

Answer 3

\[\alpha = \frac{ \Delta L }{ L \Delta T }\]

Answer 4

@LastDayWork

Answer 5

Okay, I didn't read your post carefully...my bad XD

0.072 is delta L
.

Answer 6

thanks :)