Physics

rock is thrown downward from the top of a cliff with an initial speed of 12 m/s, disregarding air resistance if the rock hits the ground after 2.0 s, what is the height of the cliff

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  1. initial speed, s= 12m/s
    t= 2s
    Use equation: h=s x t + 0.5 x g x t^2
    h=12 x 2 + 0.5 x 9.5(g) x 2^2
    h= 43.6 meters

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