Two Springs with Force Constants of 30 N/m and 20

Multiple Choice

Two springs with force constants of 30 N/m and 20 N/m are connected in parallel. When an object is hung from the springs, they extend 0.30 m. Assuming that the acceleration of gravity is 10 m/s², the mass of the object is

A) 0.50 kg.
B) 1.0 kg.
C) 1.5 kg.
D) 2.0 kg.