The initial velocity of the particle is $10\,m/\sec $ and its retardation is $ 2\;m/sec^2$. The distance moved by the particle in $5^{th}$ second of its motion is..........$m$
$1$
$19$
$50$
$75$
The initial velocity of the particle is $10\,m/\sec $ and its retardation is $ 2\;m/sec^2$. The distance moved by the particle in $5^{th}$ second of its motion is..........$m$
${S_n} = u - \frac{a}{2}(2n - 1)$ $ = 10 - \frac{2}{2}(2 \times 5 - 1) = 1\;meter$
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