Radial accn:- that accn. which is directed towads centre of the circular path(eg. centripetal accn.,centrifugal accn.)
tangential accn:- this accn acts if a body moves on a circular path with non uniform speed.(differentiating v = wr, we get a =wdr/dt+rdw/dt
i.e a(net) = v2/r + 
r(here v2/r is centripetal accn and r is tangential accn.. this accn. acts tangentially to the path.
Angular accn is
centipetal accn :_ v2/r
HOPe it helps.......
Moderation Team
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