A 200 M Brass Rod with a 1

Multiple Choice

A 2.00 m brass rod with a 1.00 mm diameter behaves like a spring under stretching or compression. If the elastic modulus of brass is 9.10 × 10¹⁰ N/m², then the spring constant of the rod is

A) 4.67 × 10⁴ N/m.
B) 4.22 × 10⁴ N/m.
C) 3.57 × 10⁴ N/m.
D) 2.47 × 10⁴ N/m.
E) 2.13 × 10⁴ N/m.