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20. A boy runs 400 m at an average speed of 4.0 m/ s. He runs the first 200 m in 40 s. How long does he take to run the second 200 m?
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1 vote
20. A boy runs 400 m at an average speed of 4.0 m/

s. He runs the first 200 m in 40 s. How long does he
take to run the second 200 m?

User ChrisArmstrong
by
5.0k points

1 Answer

3 votes

Answer:

40s to run the second 200 m

Step-by-step explanation:

the average speed is 4.0 m/s

if he is moving at a constant speed he should be able to run the first and second have at the same time

User Tomasito
by
4.7k points
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