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Un auto que se mueve a 70km/h frena con una aceleración constante de 5,4 m/s cual es la velocidad después de 2,5s

Un auto que se mueve a 70km/h frena con una aceleración constante de 5,4 m/s cual es la velocidad después de 2,5s
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5 votes
Un auto que se mueve a 70km/h frena con una aceleración constante de 5,4 m/s cual es la velocidad después de 2,5s

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User ARM
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1 Answer

6 votes

Answer:


70 \: km. {hr}^( - 1) \rightarrow \: 19.4444 \: m. {s}^( - 1) \\ v = u + at \\ v = 19.4444 + 2.4(2.5) \\ v = 25.44 \: m {s}^( - 1)

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User Michalvalasek
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