A body has an initial velocity of 4 m/s and deceleration of 4 m/s², then what is its final velocity after travelling 2 meters?

4 m/s

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0 m/s

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5.656 m/s

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2 m/s

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Solution

The correct option is B
0 m/s

$v^{2} = u^{2} - 2 a s$

$u$ = 4 m/s, $a$ = 4 m/s² and $s$ = 2m,

So, $v$ = 0 $m / s$

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A body has an initial velocity of 4 m/s and deceleration of 4 m/s2, then what is its final velocity after travelling 2 meters?

The correct option is B 0 m/s v2=u2–2as u = 4 m/s, a = 4 m/s2 and s = 2m, So, v = 0 m/s

A body has an initial velocity of 4 m/s and deceleration of 4 m/s², then what is its final velocity after travelling 2 meters?

The correct option is B
0 m/s

$v^{2} = u^{2} - 2 a s$

$u$ = 4 m/s, $a$ = 4 m/s² and $s$ = 2m,

So, $v$ = 0 $m / s$