Q: Two particle A and B are situated at a distance d = 2 apart. Particle A has a velocity of u = 10 m/s at an angle of 60° and particle B has a velocity υ at an angle 30° as shown in Fig. The distance d between A and B is constant. The angular velocity of B with respect A is

(a) 5√3 rad/s

(b) 5/√3 rad/s

(c) 10√3 rad/s

(d) 10/√3 rad/s

Ans: (b)