a particle completes 4 revolution/sec on a circular path of radius 0.25m.calculate angular velocity

Answer 1

n=4 rev/s
angular velocity ω =2πn =8π rad/s
linear velocity v= ωR

Answer 2

Well done

Answer 3

n=4
w = 2πn/t
= 2π4/1
= 8π rad/sec