Question: As shown below ( Fig . Q 3 ) , a particle is fired atAwith an initial velocity v , which makes an angle a

As shown below (Fig.Q3), a particle is fired atAwith an initial velocity v, which makes an
angle a with the horizontal.
(i) Express the tangential velocity at B interms of 4 a, and 0, and
(ii) show that the minimum radius of curvature of the path is v2 coszaf g.

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