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The position of the particle moving alon...

The position of the particle moving along `Y`-axis is given as `y=At^(2)-Bt^(3)`, where `y` is measured in metre and `t` in second. Then, the dimensions of `B` are

A

`[Lt^(-2)]`

B

`[Lt^(-1)]`

C

`[Lt^(-3)]`

D

`[MLt^(-2)]`

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The correct Answer is:
C
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