<p>The velocity of a particle executing SHM varies with displacement (x) as&nbsp;<span class="equation">\(4v^2 = 50-x^2\)</span>&nbsp;. The time period of oscillations is&nbsp;<span class="equation">\(\frac{\pi}{7}\)</span>s. The value of x is ______(Take&nbsp;<span class="equation">\(\pi=\frac{22}{7}\)</span>​​​​​​​)</p>