When there is no wind, a runner is able to run 10 000 m at an average speed of x m/s. When he runs with a tailwind, his average speed increases by 0.05 m/s and it takes him 15 s less to run the 10 000 m. The equation shown below represents this relationship. 10 000 X 10 000 x+0.05 = 15, x>0 6. When there is no wind, find the runner's average speed, to the nearest hundredth of a metre per second.
When there is no wind, a runner is able to run 10 000 m at an average speed of x m/s. When he runs with a tailwind, his average speed increases by 0.05 m/s and it takes him 15 s less to run the 10 000 m. The equation shown below represents this relationship. 10 000 X 10 000 x+0.05 = 15, x>0 6. When there is no wind, find the runner's average speed, to the nearest hundredth of a metre per second.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:When there is no wind, a runner is able to run 10 000 m at an average speed of x m/s. When
he runs with a tailwind, his average speed increases by 0.05 m/s and it takes him 15 s less to
run the 10 000 m.
The equation shown below represents this relationship.
10 000 10 000
x+0.05
X
= 15, x > 0
6. When there is no wind, find the runner's average speed, to the nearest hundredth of a
metre per second.
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