Respuesta:
Explicación:
y = y0 + v * t - 1/2 * a * t²
0 = 30 m - 8 m/s * t - 1/2 * 9.8 m/s² * t²
-4.9 t² - 8t + 30 = 0
t = 1.8 s
v = v0 - g * t
v = -8 m/s - 9.8 m/s² * 1.8² s
v = -25.6 m/s
Saludos
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Verified answer
Respuesta:
Explicación:
y = y0 + v * t - 1/2 * a * t²
0 = 30 m - 8 m/s * t - 1/2 * 9.8 m/s² * t²
-4.9 t² - 8t + 30 = 0
t = 1.8 s
v = v0 - g * t
v = -8 m/s - 9.8 m/s² * 1.8² s
v = -25.6 m/s
Saludos