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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`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A body takes 1(1)/(3) times as much time to slide down a rough inclined plane as it takes to slide down an identical but smooth inclined plane,If the angle of inclination is 45^(@) find the coefficient of friction.

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