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jenn8055
12.09.2019 •
Mathematics
Desde una altura de 3m un chico patea verticalmente hacia arriba una pelota con una velocidad de 18m/s cual es su posicion 1 seguendo despues de haberla pateado?
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Ответ:
la altura es 13.1 m
Step-by-step explanation:
El movimiento descripto es de tipo rectilineo uniformemente variado, más precisamente tiro vertical.
Para calcular la posición al cabo de 1 seg utilizaremos la ecuacionecuación del movimiento descrita como:
y = v0.t - 1/2 g t^2
Donde y es la altura para cualquier momento
v0 es la velocidad inicial 18 m/s
g la aceleración de la gravedad 9.81 m/s2
y t el tiempo medido en segundos
Entonces para calcular la altura después de un segundo:
y = 18 m/s x 1 seg - 1/2 9.81 m/s2 (1 seg)^2 = 18 m - 4.9 m = 13.1 m
Ответ: