. A spring is stretched by \(5 \mathrm{~cm}\) by a force \(10 \mathrm{~N}\). The time period of the oscillations when a mass of \(2 \mathrm{~kg}\) is suspended by it is :
A \(0.0628 \mathrm{~s}\)
B \(6.28 \mathrm{~s}\)
C \(3.14 \mathrm{~s}\)
D \(0.628 \mathrm{~s}\)
