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05-11-2020
Physics

contestada

4. A stone is dropped from the fifth floor of a building from a height 14 m. How long would it take
for the stone to hit the ground?
I

Respuesta :

11-11-2020

Answer:

1.690308509s

Explanation:

v²=u²+2as

v²=0²+2(9.8)(14)

v²=274.4

∴v=16.56502339m/s

v=u+at

16.56502339=0+9.8t

∴t=1.690308509s

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