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01-10-2020
Physics

contestada

An object falls from a high building and hits the ground in 7.0 seconds. Ignoring air resistance, what is the distance that it fell?

Respuesta :

02-10-2020

Explanation:

Δy = v₀ t + ½ at²

Δy = (0 m/s) (7.0 s) + ½ (-9.8 m/s²)(7.0s)²

= -34.3

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