## Essential University Physics: Volume 1 (3rd Edition)

$f=0.59Hz$ $T=1.7s$
The required frequency can be determined as $f=\frac{1}{2\pi}\sqrt{\frac{K}{m}}$ We plug in the known values to obtain: $f=\frac{1}{2\pi}\sqrt{\frac{26000}{1900}}$ $\implies f=0.59Hz$ Now, we can find the time period as: $T=\frac{1}{f}$ $\implies T=\frac{1}{0.59}$ $T=1.7s$