SOLUTION: A jogger runs in a straight line with an average
velocity of 7.9 m/s for 6.2 min, and then with
an average velocity of 1.6 m/s for 4.1 min.
What is her average velocity during
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-> SOLUTION: A jogger runs in a straight line with an average
velocity of 7.9 m/s for 6.2 min, and then with
an average velocity of 1.6 m/s for 4.1 min.
What is her average velocity during
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Question 499068: A jogger runs in a straight line with an average
velocity of 7.9 m/s for 6.2 min, and then with
an average velocity of 1.6 m/s for 4.1 min.
What is her average velocity during this time? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! A jogger runs in a straight line with an average velocity of 7.9 m/s for 6.2 min, and then with an average velocity of 1.6 m/s for 4.1 min.
What is his average velocity during this time?
:
Convert to seconds
6.2*60 = 372 sec
4.1*60 = 246 sec
-----------------
total = 618 sec
:
let a = average velocity
:
Write a distance equation; dist = speed * time
(7.9*372) + (1.6*246) = 618a
2938.8 + 393.6 = 618a
3332.4 = 618a
a =
a = 5.39 m/s is the average velocity
