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InterviewSolution
| 1. |
An athlete completes one round of a circular trac200 m in 40 s. What will be thedisplacement at the end of 2 minutes 20 s?distance covered and the |
| Answer» <p>Speed =distancetimedistancetime</p><p>Distance = circumference of the track.</p><p>Distance =200∙π200•π</p><p>Speed =200∙π40200•π40</p><p>Speed =5π5π</p><p>time = 2 min 20s = 140s</p><p>distance = 140*5*π</p><p>distance = 700π</p><p>∴distance=700π</p> | |