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Mathematics, 01.05.2021 01:00 rcmhargoux2970

Se lanza un flecha Verticalmente hacia arriba con velocidad inicial de 17.6 m/s. su altura (h)
en metros sobre un punto de partida despues de t
Segundos esta dada por la funcion F(t)=- 4.9t^2 +
112.18t. Hallen la velocidad promedio de la Flecha
en el intervalo que va desde t = 4 segundos hasta
t=4.2 Segondos (nota: la velocidad promedio es la
razón de cambio promedio de F(+) con respecto at).
a 81 m/s
b) 69 m/s
C) 72 m/s
d) 85 m/s​

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Se lanza un flecha Verticalmente hacia arriba con velocidad inicial de 17.6 m/s. su altura (h)

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