In 4 minutes, an athlete can run 1 kilometers. Express the athlete's average speed in meters per second. Round to the nearest tenth.

Question

Mathematics

Aryan Diaz

27 August, 20:37

In 4 minutes, an athlete can run 1 kilometers. Express the athlete's average speed in meters per second. Round to the nearest tenth.

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Answers (1)

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Snoop · Answer 1

First you have to convert min to sec ...

i. e. 4 * 60 = 240 sec

Then you can convert km to m ...

i. e. 1 km = 1000 m

speed = distance / time

speed = 1000 / 240

= 100 / 24

= 4.167

= 4.2 meter / second² (approx)