Anikarenee
17.07.2019 •
Physics
Asubway goes 5 km from the sports complex to downtown in 30 minutes. what is the average speed of the subway? a. 2.5 km/h b. 6 km/h c. 10 km/h d. 150 km/h
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Ответ:
C. 10 km/h
Explanation:
IN order to calculate the average speed of a train that goes 5 km from the sports complex to downtown you just need to use the formula for speed:
Now you have to remember that you have time in minutes, and that in your options you have hours, so you need to convert minutes to hours:
Now that you have the time in hours you just insert the values into the first formula:
Your answer is 10 kilometers per hour.
Ответ: