Respuesta :

Answer: 72 km / hour

Step-by-step explanation:

Answer:

72 km/hr

Step-by-step explanation:

First, convert from meters to kilometers. 20 meters is 0.02 kilometers.

Now that you have km/s, convert 0.02 km/s into km/h by multiplying it by the number of seconds in an hour. There are 3,600 seconds in an hour. Multiply 0.02 km/s by 3,600 secs/h to get 72km/h!

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