A pipe of length 10.0 m increases in length by 1.5 cm when its temperature is increased by 90°F. What is its coefficient of linear expansion?

Answer 1

alpha = (deltaL/L)/(deltaT)
= (0.015/10)/90 F
= 1.7*10^-5 F^-1

or 3.0*10^-5 degC^-1

Answer 2

Ok thank you

Answer 3

What is the correct answer