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A stone is dropped from a bridge. It takes 4s to reach the water below. How high is the bridge above the water?​

Respuesta :

iluvyoujenna

Answer:

height is 78.4m

Explanation:

h=u.t + 0.5.g.t^2

= 0 + 0.5x9.8x4^2

= 78.4m

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