A stopper tied to the end of a string is swung in a horizontal circle. If the mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8 s,

Question

A stopper tied to the end of a string is swung in a horizontal circle.  If the mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8 s,

a.  What is the angular velocity of the stopper?

bobpursley · Answer

angular velocity? 2PI*10/11.8 rad/sec