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Q.

Two points of a rod move with velocities 3v and v perpendicular to the rod and in the same direction separated by a distance 'r' . The angular velocity of the rod is

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a

3vr

b

4vr

c

5vr

d

2vr

answer is D.

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Detailed Solution

ωrod =vrel ⊥rhere Vrel ⊥ is the velocity of one point w.r.t. other perpendicular to rod⇒ωrod =3v−vr, and 'r ' being the distance between the points. ⇒ωrod=2vr
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