A body starts from rest. What is the ratio of the distance travelled by the body during the $4^{th}$ and $3^{rd}$ second
$\frac{7}{5}$
$\frac{5}{7}$
$\frac{7}{3}$
$\frac{3}{7}$
A body starts from rest. What is the ratio of the distance travelled by the body during the $4^{th}$ and $3^{rd}$ second
${S_n} = u + \frac{a}{2}(2n - 1) = \frac{a}{2}(2n - 1)$ because $u = 0$
Hence $\frac{{{S_4}}}{{{S_3}}} = \frac{7}{5}$
Hence $\frac{{{S_4}}}{{{S_3}}} = \frac{7}{5}$
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