Two wires with equal lengths are made of pure copper. The diameter of wire A is twice the diameter of wire B. When 6 kg masses are hung on the wires, wire B stretches more than wire A. You make...

Two wires with equal lengths are made of pure copper. The diameter of wire A is twice the diameter of wire B. When 6 kg

masses are hung on the wires, wire B stretches more than wire A. You make careful measurements and compute Young's

modulus for both wires. What do you find?

(A)

(B)

(C)