phillgrunn8326 phillgrunn8326
  • 01-03-2021
  • Chemistry
contestada

-Un automóvil lleva una velocidad de 25 km/h a los 6 segundos, su velocidad es de 70km/h. Calcular su aceleración.

Respuesta :

maacastrobr
maacastrobr maacastrobr
  • 02-03-2021

Answer:

2.08 m/s²

Explanation:

Podemos calcular la aceleración usando la fórmula:

a = (V₂-V₁)/(t₂-t₁)

En nuestro caso:

V₂ = 70 km/h

V₁ = 25 km/h

t₂ = 6 s ⇒ 6/3600 = 0.00167 h

t₁ = 0 s ⇒ 0 h

Introducimos los datos y calculamos la aceleración:

a = [tex]\frac{(70-25)km/h}{0.00167 h}[/tex] = 27000 km/h²

Podemos convertir el resultado a m/s²:

27000 km/h² * [tex](\frac{1h}{3600s})^2 *\frac{1000m}{1km}[/tex] = 2.08 m/s²

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