- #1
JoshMP
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Homework Statement
1. A boat takes 3 hours to travel 30 km down a river, then 5 hours to return. How fast is the river flowing?
2. Taking a moving sidewalk, without walking, takes 75 seconds to arrive at baggage claim. Walking, not on the moving sidewalk, takes 50 seconds. How long will it take you to travel the same distance if you walk while riding on the moving sidewalk?
Homework Equations
v= v' + V
The Attempt at a Solution
I know the answers, but I cannot for the life of me figure out how to set them up mathematically. I am confused how the formula above (given by Galileo) is used for these problems. Any help would be great.
Thanks a lot,
Josh