Poinfx" moves in a circular Patk of 18m radius so that its ard aistance from an initial position Y is given by the hilation S=6t³- 41,. wfere s is in meterß ard t on secs. Det. the normal ard tangential componento f acceleration T the point for the instant at= 25. Find also the magmtude 4 the rusu Hast acc eleration ard &. %3D

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