[单选题]
03.38: An object on ak-*/5f 2ovn8wcl vm*xx ush9t ;azt)dqa,w-j d )asx2spring undergoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t is in seconddqw;asdz-a )xa, t2)j s. What is the period of vibration of the mass on the spring?