An old-fashioned single-play vinyl record rotates on a turntable at 46.0 rpm. What are (a) the angular velocity in rad/s and (b) the period of the motion?

Answer 1

46rpm*2pirad/rev*1min/60sec=46*2*PI/60 rad/sec

Period is 1/46rpm=60sec/46rev*1rev= 60/46 sec