a person completes a round of circular track of radius R in 40 s. at the end of 2min, displacement will be
1) 2πR
2) 3πR
3) zero
4) 7πR
I need a step by step easy explanation if possible please.
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Answer:
An athelete completes one round of a circular track of radius R in 40 seconds. What will be the displacement at the end of 2 min. 20 second ? t=2min 20 sec=120+20=140 sec.
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Hey mate
Answer is 120+20= 140 seconds
Hope it helsp✌✌
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