contestada

A ball is dropped from a height of 2.0m how long will it take this ball to reach the ground

Respuesta :

Answer:

.639 sec

Explanation:

Set up the distance equation

xf = xo + vo t + 1/2 a t^2     xf = 0    xo = 2    vo = 0    a =- 9.81

0 = 2 + 1/2 (-9.81) t^2          t = .639 sec

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