Jul '11
24
MCAT Question of the Day | MCAT Course


  • Q:

    A 5kg block slides down a frictionless incline of 30°. The moment it reaches 1 m/s down the incline, it hits a rough surface. What is the minimum coefficient of kinetic friction of the surface for it to stop the block before it reaches the bottom of the incline?

     

    A

    2/(5√3)

    B

    2/5

    C

    (√3)/2

    D

    There is not enough information to answer the question.




    Tags: Energy & Work | Quantitative Skills | Suggest a tag
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