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physics 1401

a 15kg crate initially at rest slides down a ramp 2m long and inclined at an angle of 20 degrees with the horizontal. If there is no friction between the ramp surface and crate, what is the velocity of the crate at the bottom of the ramp?

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  1. h = 2*sin20 = 0.684 m.

    V^2 = Vo^2 + 2g*h.
    Vo = 0.

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