Respuesta :

Answer:

20 m/s

Step-by-step explanation:

72000 m/hr

72000 m/3600 s

20 m/s

Answer:

20 m/s

Step-by-step explanation:

=> 72 km/hr

In changing the speed from km/hr to m/s, we multiply by [tex]\frac{10}{36}[/tex]

So,

=> 72 × [tex]\frac{10}{36}[/tex]

=> 2 × 10

=> 20 m/s