28. A runner completes a 10 km run in about 30 minutes. What was the runner's average speed in km/h? Hint: (60 minutes = 1 hr) a. 10 km/hr c. 20 km/hr b. 15 km/hr d. 30 km/hr

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Dietpixel asked Jun 28, 2022

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28. A runner completes a 10 km run in about 30 minutes. What was the runner's average

speed in km/h? Hint: (60 minutes = 1 hr)
a. 10 km/hr
c. 20 km/hr
b. 15 km/hr
d. 30 km/hr

Chemistry
high-school

Dietpixel asked Jun 28, 2022

by Dietpixel

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Answer:

20 km/h

Step-by-step explanation:

Speed = distance ÷ time

Speed = 10 ÷ 0.5 hours

Speed = 20 km/hr

Serhii Topolnytskyi answered Jul 3, 2022

by Serhii Topolnytskyi

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