SOLUTION: A race car travels northward on a straight, level track at a constant speed travels 0.754 km in 21.0 s. The return trip over the same track is made in 26.0 s. What is the average v

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A race car travels northward on a straight, level track at a constant speed travels 0.754 km in 21.0 s. The return trip over the same track is made in 26.0 s. What is the average v      Log On

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Question 1097101: A race car travels northward on a straight, level track at a constant speed travels 0.754 km in 21.0 s. The return trip over the same track is made in 26.0 s. What is the average velocity for the total trip?

Incorrect: Your answer is incorrect. .
m/s

Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52835) About Me  (Show Source):
You can put this solution on YOUR website!
.
A race car travels northward on a straight, level track at a constant speed travels 0.754 km in 21.0 s.
The return trip over the same track is made in 26.0 s. What is the average velocity for the total trip?

Incorrect: Your answer is incorrect. .
m/s
~~~~~~~~~~~~~~~~~~~

How can you know in advance that my answer is incorrect if I even didn't write it?

??

???



Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Return Trip Time
21%2B26=47 seconds

Total Distance
2%2A0.754=1.508km

Average speed of whole trip
1.508%2F47=0.0321km%2Fsecond