Question: A particle of mass m is projected from point A with an initial velocity 0 v perpendicular to line OA and moves under a central

A particle of mass m is projected from point A with an initial velocity 0 v perpendicular to line OA and moves under a central force F along a semicircular path of diameter OA. Observing that 0 r=r cosθ and using Eq. (12.27), show that the speed of the particle is v = v0 / cos2 θ ..

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