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.Abody,starting from rest and moving with aconstant acceleration, covers a distance s, in the4" second and a distance s, in the 6" second. Theratio s,/s; is.o0 O (29 (c) |
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Answer» Distance covered in nth is Sn= u+a/2(2n-1) For n=3, u = 0 S4 = 0 + a/2(2*4 - 1)S4 = 7a/2 m Similarly, For n=6, u = 0S6= 0 + a/2(2*6 - 1) S6 = 11a/2 m S4/S6 = 7a/2*2/11a S4:S6 = 7:11 (d) is correct option |
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