Two springs, each with spring constant 20 N/m, are connected in parallel, and the combination is hung vertically from one end. A 50-N weight is then suspended from the other end of the combined spring. How far does the combined spring stretch as it comes to equilibrium?
a. 5 m
b. 2.5 m
c. 10 m
d. 0.63 m
e. 1.25 m
Ans: e. 1.25 m
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