A particle revolving in a circular path completes 1st one third of circumference in 2 sec while next one third in 1 sec . The average angular velocity is..???

1 Answer
Apr 3, 2018

The average angular velocity is #=(4/9pi)rads^-1=1.40rads^-1#

Explanation:

One circumference is #=(2pi)rad#

The total angle travelled is

#theta=2/3pi+2/3pi=(4/3pi)rad#

The total time is

#t=t_1+t_2=2+1=3s#

The average angular velocity is

#baromega=theta/t=(4/3pi)/(3)=4/9pi=1.40 rads^-1#