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The velocity (m.s"^(-1))-time (s) graph ...

The velocity (`m.s"^(-1)`)-time (s) graph of a body is a straight line inclined at an angle of `45^(@)` with the time axis. The acceleration ( in `"m.s"^(-2)`unit) of the body is

A

1

B

`1/sqrt2`

C

`sqrt2`

D

`1/sqrt3`

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