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A particle travels along the arc of a circle of radius r.Its velocity depends on the arc coordinate l (distance measured from starting point along the circle) as V=[c.square root of l] ;where c is a constant.Find theangle A between the vectors of the total acceleration and velocity of the particle. 1. tanA =2l/r 2. cosA =2l/r 3. sinA=2l/r 4. cotA =2l/r

A particle travels along the arc of a circle of radius r.Its velocity depends on the arc coordinate l (distance measured from starting point along the circle) as V=[c.square root of l] ;where c is a constant.Find theangle A between the vectors of the total acceleration and velocity of the particle.


1. tanA =2l/r                                2. cosA =2l/r


3. sinA=2l/r                                 4. cotA =2l/r

Grade:12

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