How to Calculate Boat Velocity Relative to Shore in River Flow?

  • Thread starter nocturnalwun
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In summary, the conversation discusses the velocity of a boat traveling in a river with a 10 km/hr current. When the boat heads directly upstream, its velocity relative to the shore will be 0 km/hr. When it heads downstream, its velocity relative to the shore will be 20 km/hr. The process for finding the direction of the boat's movement relative to the shore involves using vector components and addition rules. The conversation also mentions purchasing a text for a class and asking for help with related problems.
  • #1
nocturnalwun
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Consider a boat that travels at 10 km/hr in still (non-moving) water. If the boat travels in a river that flows at a rate of 10 km/hr, what will be its velocity relative to the shore when it heads directly upstream (against the current)? What happens when it heads downstream (with the flow)? Explain




Suppose the boat is oriented at right angles to the water flow and begins moving. Using vector components and vector addition rules, how would you go about finding the direction in which the boat will move relative to the shore? I am interested in the process, not the numerical answer.


I have not been able to purchase the text needed for the class yet and I have an online quiz, so I am not able to figure out how to do these problems can anyone help?
 
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  • #2
Please don't crosspost. I moved your other post to the high-school help forum.

- Warren
 
  • #3
sorry i wasn't aware until after u did it
 

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