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18-12-2018
Physics

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A gargoyle statue falls off the side of a building from a height of 75 m . How long did it take to reach the ground

Respuesta :

18-12-2018

Distance of a fall from rest = (1/2) (g) (Time²)

75 m = (1/2) (9.8 m/s²) (Time²)

75 m = (4.9 m/s²) (Time²)

Divide each side by (4.9 m/s²):

Time² = (75 m) / (4.9 m/s²)

Time² = (15.3) (s²)

Square-root both sides:

Time = 3.91 seconds

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