Question

The angular speed of a fly-wheel making
120 revolutions/minute is
(a) ???? rad/sec (b) 4???? rad/sec
(c) 2???? rad/sec (d) 4????² rad/sec

Answer 1

Answer:

option b) 4 π rad/sec.......

Hope it helps..

Answer 2

Answer:

b)4πrad/sec

is the correct answer