case study based questions class 9 physics A cyclist travels from O of the circle park of the radius 1km and reaches point P. After cycling half of the circlular park along the track, he reaches point Q just opposite point P. The cyclist then returns directly the centre O. The time taken by the cyclist to complete the journey is 10 minutes.
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Answer:
a)D
b)C
Explanation:
THE TOTAL DISTANCE TRAVELLED WILL BE HALF THE CIRCLE +DIAMETER
=πR+2R
=3.14*1+2*1
=5.14 option d
THE TOTAL DISPLACEMENT WILL BE ZERO BECAUSE HE STOPED WHERE HE STARTED
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