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A block of mass 5 kg is placed on a roug...

A block of mass 5 kg is placed on a rough inclined plane. The inclination of the plane is gradually increased till the block just begins to slide down. The inclination of the plane is than 3 in 5. The coefficient of friction between the block and the plane is (Take, `g = 10m//s^(2)`)

A

`3/5`

B

`3/4`

C

`4/5`

D

`2/3`

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The correct Answer is:
B
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