A particle starts moving along a line from zero initial velocity and comes to rest after moving distance d. During its motion it had a constant acceleration f over 2/3 of the distance, and covered the rest of the distance with constant retardation. The time taken to cover the distance isA. `sqrt(2d//3f)`B. `2sqrt(d//3f)`C. `sqrt(3d//f)`D. `sqrt(3d//2f)`

A particle starts moving along a line from zero initial velocity and c

1.	A particle starts moving along a line from zero initial velocity and comes to rest after moving distance d. During its motion it had a constant acceleration f over 2/3 of the distance, and covered the rest of the distance with constant retardation. The time taken to cover the distance isA. `sqrt(2d//3f)`B. `2sqrt(d//3f)`C. `sqrt(3d//f)`D. `sqrt(3d//2f)`
Answer» Correct Answer - C

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