A block slides down a frictionless plane having an inclination of θ = 13.2°. The block starts from rest at the top, and the length of the incline is 1.70 m.
-> Find the acceleration of the block.
(m/s2 down the incline)

-> Find its speed when it reaches the bottom of the incline.

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  1. weight ccomponent down slope
    F = m g sin 13.2
    m g sin 13.2 = m a
    a = 9.81 sin 13.2
    ( what else is new?)

    d = (1/2) a t^2
    1.7 = (1/2) a t^2
    solve for t
    v = a t

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