Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the st

Question

2 years ago

15

Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the st

arting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds. Find the length of the track.

Mathematics

1 answer:

yaroslaw [1] · Answer 1 · 2022-04-07T17:59:18+03:00

yaroslaw [1]2 years ago

5 0

<h2>Length of track is 168 meter</h2>

Step-by-step explanation:

Let l be the length of track.

Running speed = 4 m/s

Jogging speed = 2 m/s

Total time taken = 2 minutes 6 seconds. = 126 seconds

That is

$\frac{l}{4}+\frac{l}{2}=126\\\\0.75l=126\\\\l=168m$

Length of track is 168 meter