Initially, the velocity of a particle is 11 m/s towards positive x-axis and a constant acceleration towards negative x-axis of magnitude is acting on the particle. The distance traveled by the particle during 6th second is
A
0.25 m
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B
0.5 m
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C
1.0 m
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D
zero
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Solution
The correct option is B0.5 m u=11m/s a=−2m/s2 They will become zero when 0=11−2t⇒t=5.5s At t=5.5 s, it will change direction of motion. Velocity at the end of 5s =11−2×5=1m/s From 5.5 s to 6s, s′=12×2×(12)2=14m ∴ Total distance, s+s' =12m=0.5m.