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Standard IX

Physics

First Equation of Motion

The accelerat...

Question

The acceleration of the particle moving in $x -$ direction with an initial velocity $8 m/s$ is $3 {m/s}^{2}$ . Find its velocity at $t = 2 s$ .

14 m/s

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20 m/s

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18 m/s

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60 m/s

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Solution

The correct option is A $14 m/s$
Using first equation of motion, we get
$v = u + a t$
$v = 8 + 3 \times 2$
$v = 14 m/s$

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The acceleration of the particle moving in x−direction with an initial velocity 8 m/s is 3 m/s2. Find its velocity at t=2 s.

The correct option is A 14 m/sUsing first equation of motion, we get v=u+at v=8+3×2 v=14 m/s

The acceleration of the particle moving in $x -$ direction with an initial velocity $8 m/s$ is $3 {m/s}^{2}$ . Find its velocity at $t = 2 s$ .

The correct option is A $14 m/s$
Using first equation of motion, we get
$v = u + a t$
$v = 8 + 3 \times 2$
$v = 14 m/s$