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physics

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A block slides down a frictionless ramp. If the ramp angle is 22 degrees and the length of it is 25m. find the speed of the block as it reaches the end of the ramp, assuming it started sliding from rest at the top.

  • physics -

    h = (25 m)sin(22)

    Ei = Ef
    mgh = 1/2mv^2
    root(2gh) = v

    so

    root(2g(25)sin22) = h

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