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Question
- a physics student running 2.0 meters per second increases her velocity to 16.0 meters per second in a duration of 3.5 seconds. what is the average acceleration of the student? +3.0 m/s² +4.0 m/s² +5.0 m/s² +6.0 m/s² clear all
Step1: Escribir la fórmula de aceleración
La fórmula de aceleración promedio 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 dados
Dado que \(v_i = 2.0\ m/s\), \(v_f=16.0\ m/s\) y \(t = 3.5\ s\). Sustituyendo en la fórmula: \(a=\frac{16.0 - 2.0}{3.5}=\frac{14}{3.5}\)
Step3: Calcular el valor de la aceleración
\(\frac{14}{3.5}=4.0\ m/s^{2}\)
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+4.0 m/s²