QUESTION IMAGE
Question
a roller coaster accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. what is the coasters acceleration?
Step1: Escribir la fórmula de aceleración
La fórmula de aceleración es \(a=\frac{v_{f}-v_{i}}{t}\), donde \(v_{f}\) es la velocidad final, \(v_{i}\) es la velocidad inicial y \(t\) es el tiempo.
Step2: Sustituir los valores
Dado que \(v_{i} = 6.0\space m/s\), \(v_{f}=70\space m/s\) y \(t = 4\space s\), sustituimos en la fórmula: \(a=\frac{70 - 6}{4}\).
Step3: Realizar el cálculo
\(a=\frac{64}{4}=16\space m/s^{2}\)
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\(16\space m/s^{2}\)