Question

A Body moving with an acceleration 2m/s^2 ,then what is the change in velocity in 2 seconds?


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Answer 1

as we know,

$a = \frac{(v - u)}{t}$

given,

a=2 m/s^2

t= 2 second

putting values,

$2 = \frac{(v - u)}{2}$

$v - u = 4 \: m {s}^{ - 1}$

so,

change in velocity is 4 m/s