A body moves from rest with a constant acc

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A body moves from rest with a constant acceleration of $5\,m/{s^2}$. Its instantaneous speed (in $m/s)$ at the end of $10\, sec$ is

A

$50$

B

$5$

C

$2$

D

$0.5$

A body moves from rest with a constant acceleration of $5\,m/{s^2}$. Its instantaneous speed (in $m/s)$ at the end of $10\, sec$ is

$v = u + at \Rightarrow v = 0 + 5 \times 10 = 50\;m/s$