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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionKinematicsMedium2 minQB

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A particle is moving in a circular path with a constant speed. If $θ$ is the angular displacement, then starting from $θ = 0$ , the maximum and minimum change in the linear momentum will occur when value of $θ$ is respectively

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Solution:

Change in momentum $Δ p = m Δ v$ is maximum when the velocity reverses: $θ = 18 0^{\circ}$ gives $∣Δ p ∣ = 2 m v$ .
It is minimum (zero) when the particle returns to its original velocity: $θ = 36 0^{\circ}$ .

Stream:JEESubject:PhysicsTopic:Circular MotionSubtopic:Kinematics

⏱ 2mℹ️ Source: QB

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