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A boat is traveling with a speed 7.2 mph over the water and at a direction of 87 degrees counterclockwise from east. The river itself is flowing east at 4.9 mph relative to its bank. What is the speed of the boat relative to the river bank to the nearest hundredth of a mph?

  • Physics -

    Perform a vector addition of the river water speed and the speed of the boar relative to the water.

    Show your work for further assistance. You are posting many questions here and showing no work or thought at all.

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