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The time taken by a block of wood (initi...

The time taken by a block of wood (initially at rest) to slide down a smooth inclined plane 9.8 m long (angle of inclination is `30^(@)`) is

A

`(1)/(2)sec`

B

`2sec`

C

`4sec`

D

`1sec`

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The correct Answer is:
B
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