A Certain Wire Stretches 0

Multiple Choice

A certain wire stretches 0.90 cm when outward forces with magnitude F are applied to each end.The same forces are applied to a wire of the same material but with three times the diameter and three times the length.The second wire stretches:

A) 0.10 cm
B) 0.30 cm
C) 0.90 cm
D) 2.7 cm
E) 8.1 cm