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A particle moves on a straight line, with uniorm acceleration `-5m//s^(2)`. Distance travelled by it in three consecutive intervals of `1s` are in ratio of `3:1:1`. Then the total distance travelled in three seconds is:
A. `25m`
B. `12.5m`
C. `22.5m`
D. `20m`

1 Answer

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Best answer
Correct Answer - B
For backward journey `x=1/25(1)^(2)=5/2m`
So, total distance `=5x`
`=25/2m` image

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