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A block sliding down a rough 45° incline...

A block sliding down a rough 45° inclined plane has half the velocity it would have had, the inclined plane been smooth. The coefficient of sliding friction between block and the inclined plane is

A

`1/3`

B

`3/4`

C

`1/2sqrt2`

D

`8/9`

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The correct Answer is:
D
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AAKASH SERIES-LAWS OF MOTION-PRACTICE EXERCISE
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  2. A given object takes n times more time to slide down a 45^(@) rough i...

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  3. A block sliding down a rough 45° inclined plane has half the velocity ...

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  4. A block is pushed up a rough inclined plane of 45°. If the time of des...

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  5. An object takes 1 second to slide down a rough 45^(@) inclined plane. ...

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  6. A body slides down a smooth plane starting from rest in 4sec. Time tak...

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  7. A block is lying on an inclined plane which makes an angle of 60^@ wit...

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  8. A 10sqrt3 kg box has to move up an inclined slope of 60^(@) to the hor...

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  9. The minimum force required to move a body up an inclined plane is thre...

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  10. A body of mass 10kg is on a rough inclined plane having an inclination...

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  12. A body of mass 'm' slides down a smooth inclined plane having an incli...

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