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3 January, 08:35

A boat is traveling east across a river that is 112 meters wide at 8 meters per second

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  1. 3 January, 11:44
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    This is the concept of application of the Pythagorean theorem. The resultant speed of the motorboat which is crossing the river that has a northward current of 5 m/s at a speed of 8 m/s will be given by:

    c^2=a^2+b^2

    c^2=8^2+5^2

    c^2=64+25

    c^2=89

    c=sqrt89

    c=9.4 m/s
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