![subject](/tpl/images/cats/fizika.png)
Para rescatar a un niño de 22.9 kg en un incendio, un bombero se ajusta una bolsa de herramientas junto con su
casco y sale por una ventana que se encuentra en el piso 16. El bombero de 71.7 kg, usando una soga, desciende
con rapidez constante, se detiene a los 12 m del suelo y se le cae la bolsa de herramientas de 0.6 kg. Continúa el
descenso y a los 10 m del suelo, al sujetar al niño, se le cae el casco de 0.2 kg.
¿En qué tiempo la bolsa de herramientas llega al suelo?
Considera que g es de 9.8 m/s2
Seleccione una:
1.56 s
15.3 s
1.43 s
2.45 s
![ansver](/tpl/images/cats/User.png)
Answers: 3
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