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Grade 11Mechanics

what do we find actually in disatance travelled in nth second

Profile image of Niraj shrestha
9 Years agoGrade 11
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1 Answer

Profile image of Shaswata Biswas
9 Years ago
We have distance travellen in t second, S = u.t + a.t2/2
Distance travelled in tth = ST - ST-1 
= {u.t + a.t2/2} - {u.(t-1) + a.(t-1)2/2}
= u{t - (t-1)} + a{t2 - (t-1)2}/2
= u + a(2t-1)/2
 
So the distance travelled in nth second, Sn = u + a(2n-1)/2
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