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07-07-2020
Mathematics

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A toy falls from a window 80 feet above the ground. How long does it take the toy to hit the ground?

Respuesta :

MathPhys MathPhys

07-07-2020

Answer:

2.24 s

Step-by-step explanation:

Given:

Δy = 80 ft

v₀ = 0 ft/s

a = 32 ft/s²

Find: t

Δy = v₀ t + ½ at²

80 ft = (0 ft/s) t + ½ (32 ft/s²) t²

t = 2.24 s

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