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A cyclist goes around a circular path once every 2 minutes. If the radiusofthe track is 105 metres. Calculate his speed. Iv 2tr, Ď 22of the |
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Answer» given :-Radius , r = 105time t = 2min= 120 second Circumference or distance of circle = 2πr⇒2×22/7×105⇒ 660 m∴ speed = distance / time⇒660 m/ 120⇒5·5m/s |
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