A particle of mass 0.50 kg executes simple harmonic motion under force F=-50(N m^-1) x. The time period of oscillation is x/35 s. The value of x is…

A particle of mass $\displaystyle 0.50$ kg executes simple harmonic motion under force $\displaystyle F=-50\left(N m^{-1}\right) x$. The time period of oscillation is $\displaystyle \frac{x}{35} s$. The value of $\displaystyle x$ is $\displaystyle \_\_\_\_$. (Given $\displaystyle \pi=\frac{22}{7}$ )