If body having initial velocity zero is moving with uniform acceleration of 8m/sec2, the distance travelled by it in fifth second will be
A
36m
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B
40m
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C
30m
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D
Zero
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Solution
The correct option is A36m Given, u=0,a=8m/sec2,n=5
As we know that the distance travelled in nth second is given by Sn=u+a2(2n−1)
So, distance travelled in 5th second is S5th=0+82(2×5−1)=36m