QUESTION IMAGE
Question
a ball of clay is thrown at a wall at a velocity of 28.0 m/s. after the clay hits the wall, it takes 0.020 seconds to stop. what is the acceleration of the clay when it hits the wall?
Step1: Identificar la fórmula
La fórmula para la aceleración es \(a=\frac{v - u}{t}\), donde \(v\) es la velocidad final, \(u\) es la velocidad inicial y \(t\) es el tiempo.
Step2: Asignar valores
La velocidad inicial \(u = 28.0\ m/s\), la velocidad final \(v=0\ m/s\) (se detiene) y el tiempo \(t = 0.020\ s\).
Step3: Calcular la aceleración
Sustituir en la fórmula: \(a=\frac{0 - 28.0}{0.020}=\frac{- 28.0}{0.020}=-1400\ m/s^{2}\)
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-1400 m/s²