The body started with velocity of 8m/s and moving with an acceleration of 1m/s2. The distance travelled by the body in 6th second is
A
17.5m
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B
13.5m
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C
10.0m
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D
18.5m
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Solution
The correct option is B13.5m Given, u=8m/s,a=1m/s2,n=6
As we know that the distance travelled in nth second is given by Sn=u+a2(2n−1) S6th=8+12×(2×6−1) =8+12×11 =8+5.5=13.5m