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Mashcka [7]
3 years ago
14

1- Un avión se desplaza a 720 km/h.¿Que tiempo tarda en recorrer 120.000.000 cm?

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
5 0

Answer:

Step-by-step explanation:

1- Un avión se desplaza a 720 km/h.¿Que tiempo tarda en recorrer 120.000.000 cm?

x = 120.000.000 cm = 1200.000 m (Dividir para 100)

v = 720 km/h = 200 m / s (Dividir para 3,6)

x = v*t

t = x / v

t = 12000000 / 200

t = 6000 segundos = 100 minutos = 1 hora 40 minutos

2-Un auto recorre 430 km en 6 h 30 min 18 s.¿Cual es su velocidad en km/h?

x = 430 Km = 430000 m

t = 6 h 30m 18 s

t = 6 * 3600 + 30 * 60 + 18

t = 21798 s

v = x / t

v = 430000 / 21798

v = 19,72 m/s = 71 km/h (Multiplica por 3,6)

3-Una moto se desplaza a 144 km/h durante 820 min. calcular la distancia recorrida

v = 144 km/s = 40 m/s

t = 820 min * 60 = 49200 s

x = v*t

x = 40 * 49200

x = 1968000 m = 1968 Km

4-un atleta corre a 9 m/s.¿Cuanto tiempo tarda en recorrer 10,9 Km?

v = 9 m/s

x = 10,9 km = 10900 m

t = x / v

t = 10900 / 9

t = 1211,11 s = 20 minutos 11 segundos

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