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A particle moves along X-axis in such a ...

A particle moves along X-axis in such a way that its coordinate X varies with time t according to the equation `x = (2-5t +6t^(2))m`. The initial velocity of the particle is

A

`2 m//s`

B

`-5 m//s`

C

`6 m//s`

D

`-3 m//s`

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The correct Answer is:
B
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