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ycow [4]
3 years ago
14

Un joven cargó una caja de 18 kg hasta una altura de 2.5 metros tardando 11 segundos. Un montacargas lo hizo en 2 segundos. ¿Qué

potencia desarrolla la persona y la máquina?
History
1 answer:
erastovalidia [21]3 years ago
5 0

Answer:

ver explicación

Explanation:

La potencia se define como la tasa de tiempo de realización del trabajo.

Potencia = trabajo realizado / tiempo empleado

En este caso, trabajo realizado por el niño y la máquina = mgh

m = masa del bidy

h = altura

g = aceleración debida a la gravedad

Ancho = 18 × 10 × 2,5 = 450 J

Potencia desarrollada por el niño = 450 J / 11 segundos = 41 W

Potencia desarrollada por la máquina = 450 J / 2 segundos = 225 W

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