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So he crosses 2pie r in 40 secs
2min 20 sec=140 secs
In 40sec =2 pie r
in 1sec=2/40=1/20 pie r
in 140secs =140*1/20=7pie r
here distance is 7pie r
and displacement is =2r
According to your question ans is 2R
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2min 20 sec=140 secs
In 40sec =2 pie r
in 1sec=2/40=1/20 pie r
in 140secs =140*1/20=7pie r
here distance is 7pie r
and displacement is =2r
According to your question ans is 2R
mark me as Branliest
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