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Motion in A Straight Line question

2008 · Q148
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Motion in A Straight Line question

2008 · Q148

NEETPhysicsMotion in A Straight LineMCQ+4 / −1
The distance travelled by a particle starting from rest and moving with an acceleration 43{4 \over 3}34​m s−-−2, in the third second is
  1. A
    103{{10} \over 3}310​ m
  2. B
    193{{19} \over 3}319​ m
  3. C
    6 m
  4. D
    4 m
View written solutionFree

Correct answer: A

distance travelled in nth seconds

S(n th) = u + a2(2n−1){a \over 2}(2n - 1)2a​(2n−1)

Here u = 0, aaa = 43{4 \over 3}34​m s−-−2, n = 3

S(3 rd) = 43×2(2×3−1){4 \over {3 \times 2}}(2 \times 3 - 1)3×24​(2×3−1) = 103{{10} \over 3}310​ m

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