Question
from rest a body rotate 120rot/min for 20 sec then rotate for 5 sec with same rotation . find how many rotation it will make?
here while calculating ang. acc you use w= w0 + at , how w=4π , ( i want to know how to convert 120 rot/min)
Solution by Joshi sir.
120 rotation per minute = 120/60 = 2 rotation per second