Un auto lleva una velocidad de 20m/s al este y en ese instante aplica los frenos en una distancia de 60 m el auto llega a tener una velocidad de 10m/s al este ¿Que aceleración aplicarán los frenos del auto?

6 on both sides and twelve on the top and the bottom

step-by-step explanation:

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.