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A cyclist travels from centre O of a cir...

A cyclist travels from centre O of a circular park of radius 1 km and reaches point P. After cycling along `1//4` th of the circumference along PQ, he returns to the centre of the park along QO. If the total time taken is 10 minutes, calculate (i) net displacement (ii) average velocity and (ii) average speed of the cyclist.

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SL ARORA-Motion in a Plane-Excercise
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