Respuesta:
79.9 m/s
Explicación:
30.8 Km/h = 8.6 m/s²
4.5 Km = 4500 m
x = v(0) * t + 1/2 a * t²
4500 m = 8.6 m/s * t + 1/2 0.7 m/s² * t²
0 = 8.6 * t + 0.35 * t²- 4500
t = 101.8 s
v = v(0) + a * t
v = 8.6 m/s + 0.7 m/s² * 101.8 s
v = 8.6 + 71.26
v = 79.9 m/s
Saludos
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Verified answer
Respuesta:
79.9 m/s
Explicación:
30.8 Km/h = 8.6 m/s²
4.5 Km = 4500 m
x = v(0) * t + 1/2 a * t²
4500 m = 8.6 m/s * t + 1/2 0.7 m/s² * t²
0 = 8.6 * t + 0.35 * t²- 4500
t = 101.8 s
v = v(0) + a * t
v = 8.6 m/s + 0.7 m/s² * 101.8 s
v = 8.6 + 71.26
v = 79.9 m/s
Saludos