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An athale completes one round of …

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An athale completes one round of a circular track of radius R in 40 sec. What will be his displacement at the end of 2 mins. 20 sec
  • 1 answers

Gaurav Seth 6 years, 4 months ago

Total time duration in consideration : 2 min 40 secs = 160 secs

No of complete rounds in this time = 160/40 = 4 rounds

Therefore he will be exactly at the point where he started. Hence his displacement will be 0, although he will cover a distance of 4 (2πR)

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