A particle starts its motion from rest and moves with constant acceleration for time t₁ and then it retards with constant rate for time t₂until it comes to rest. Then the ratio of maximum speed and average speed during the complete motion will be

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2 : 1

1 : 2

2:3

1:3

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detailed solution

Correct option is A

Required ratio =V Area /t1+t2=21

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