A body moves from rest with a constant acceleration of 5,m/{s^2} . Its instantaneous speed (in m/s)

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2.Motion in Straight Line

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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

$0.5$

Solution

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

Standard 11

Physics

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