A car is going with constant speed on a circular path. If it starts from point A

Question

A car is going with constant speed on a circular path. If it starts from point A at t = 0 and reaches diametrically opposite point B after 2 sec then find its angular velocity.

Options:

A . π

B . π2

C . 3π2

D . 2π

Answer: Option B
:
B

A Car Is Going With Constant Speed On A Circular Path. If It...

In going from A to B the car is displaced by an angle of

180^{\circ}

.
So, angular displacement =

π

radians
Time = 2 sec
Angular velocity =

\frac{a n g u l a r d i s p l a c e m e n t}{t i m e}

ω = \frac{π}{2} \frac{r a d}{s e c}

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