Question

please solve this question ​

Answer 1

Explanation:

40sec to complete one rotation around a circuit path of radius R

After 2min 20sec

$= 60 + 60 + 20 = 140$

sec

$140 \div 40 = 3.5$

means 3complete round and a half round

3 complete rounds = 0displcement

0.5 (half) round = d(diameter)

Hope this will help you

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