A body is moving with a uniform acceleration covers $40\,m$ in the first $4\,s$ and $120\,m$ in next $4\,s.$ Its initial velocity and acceleration are
A body is moving with a uniform acceleration covers $40\,m$ in the first $4\,s$ and $120\,m$ in next $4\,s.$ Its initial velocity and acceleration are
- A
$0,\,\,5\,m/s^2$
- B
$2\,m/s,\,\,5\,m/s^2$
- C
$4\,m/s,\,\,10\,m/s^2$
- D
$4\,m/s,\,\,5\,m/s^2$
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