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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionKinematicsMedium2 minQB

PhysicsMediumsingle choice

A particle is moving with a constant speed in a circular path. Find the ratio of average velocity to its instantaneous velocity when the particle rotates an angle $θ = \frac{π}{3}$ .

Options:

Answer:

Solution:

For $θ = \frac{π}{3}$ the chord equals $R$ and the time taken is $\frac{π R}{3 v}$ .
So $v_{a v} = \frac{R}{\frac{π R}{3 v}}$
$= \frac{3 v}{π}$ and the ratio is $\frac{3}{π}$ .

Stream:JEESubject:PhysicsTopic:Circular MotionSubtopic:Kinematics

⏱ 2mℹ️ Source: QB

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