A Pipe of Length 10

Multiple Choice

A pipe of length 10.0 m increases in length by 1.5 cm when its temperature is increased by 72°F.What is its coefficient of linear expansion?

A) 38 × 10−⁶/°C
B) 75 × 10−⁶/°C
C) 68 × 10−⁶/°C
D) 28 × 10−⁶/°C
E) 47 × 10−⁶/°C