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Boat traveling on a river

by Pius
Tags: boat, river, traveling
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Pius
#1
Nov9-09, 09:29 PM
P: 12
1. The problem statement, all variables and given/known data
a boat that can travel at 12.5 m/s on a lake goes 10.6 m/s when going straight up river (with respect to land) if the boat turns and heads (points) 22 degrees upstream from straight across the river. what is the boat's resultant velocity


2. Relevant equations
I don't know!


3. The attempt at a solution
I don't know!

Thanks for your help in advance!
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ideasrule
#2
Nov9-09, 09:53 PM
HW Helper
ideasrule's Avatar
P: 2,323
Draw a vector diagram. Remember that since the boat can only travel 10.6 m/s instead of 12.5 m/s, the water in the river must be moving.


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