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A body starting from rest has an acceleration of 20 ms2 the distance travelled by it in the sixth second is ………(a) 110 m (b) 130m (c) 90m (d) 50 m |
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Answer» Correct answer is (a) 110m Distance travelled in nth second, u = 0 Sn = u + \(\frac{1}{2}\)a(2n – 1) S6 = 0 + ×\(\frac{1}{2}\) 20 × (2 × 6 – 1); S6 = 110 m |
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