Question: Given r ( t ) = ( cos ( t ) + t sin ( t ) ) i + ( sin ( t )

Given r(t)=(cos(t)+ t sin (t)) i +(sin (t)- t cos (t))], t >0, obtain the normal and tangential components, an and aT, of the acceleration. Then, from the magnitude of the normal component of the acceleration, obtain the curvature of the curve described by r (t).

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