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08-A body moving along a circular path of radius i withvelocity v, has centripetal acceleration a. If its velocityis made equal to 2v, then its centripetal acceleration is(a) 4a(c) a/4(b) 2a(d) a/2(J& K CET)a particle

Answer»

Ac = v²/r = a

when V →2v then

A'c = (2v)²/r = 4v²/r = 4a

option a



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