A particle starts from rest and travels a distance s with uniform acceleration, then it travels a distance 2s with uniform speed, finally it travels a distance 3s with uniform retardation and comes to rest. If the complete motion of  the particle in a straight line then the ratio of its average velocity to maximum velocity in

Question : A particle starts from rest and travels a distance s with uniform acceleration, then it travels a distance 2s with uniform speed, finally it travels a distance 3s with uniform retardation and comes to rest. If the complete motion of  the particle in a straight line then the ratio of its average velocity to maximum velocity in

(a) 6/7

(b) 4/5

(c) 3/5

(d) 2/5

Answer : The Right option is (c)

Solution :

A particle starts from rest and travels a distance s with uniform acceleration
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