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If a block moving up an inclined plane a...

If a block moving up an inclined plane at `30^(@)` with a velocity of 5 m/s, stops after 0.5 s, then coefficient of friction will be nearly

A

0.5

B

0.6

C

0.9

D

1.1

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Knowledge Check

  • A block starts moving up a fixed inclined plane of inclination 60^(@)C with a velocityof 20 ms^(-1) and stops after 2s. The approximate value of the coefficient of friction is [g = 10 ms^(-2) ]

    A
    3
    B
    3.3
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    0.27
    D
    0.33

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    A
    `sqrt3`
    B
    `1/(sqrt3)`
    C
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  • A block of mass m is kept on an inclined plane of a lift moving down with acceleration of 2m//s^(2) . What should be the coefficient of friction for the block to move down with constant velocity relative relative to lift?

    A
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