malwina13xxox malwina13xxox

12-10-2019
Chemistry

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The winner of the 20 km race ran at an average speed of 4 m / s. How long did he take to complete the race?

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Dapizzy24 Dapizzy24

12-10-2019

Answer: 5, 000s

Explanation:

Distance 20km=20,000m

Speed 4m/s

Time =?

Speed = distance / time

4 = 20, 000/ x

Cross multiply

4x=20, 000

X = 5, 000

X = time = 5, 000

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