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woleraymond

  • 3 years ago

A boat propelled so as to travel a speed 0.5m/s in still water , moves directly(in a straight line) across a river that is 60m wide. The river flows with a speed of 0.3 m/s .How long in seconds does it take the boat to cross he river?

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  1. woleraymond
    • 3 years ago
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    what about resolving the velocity into vector

  2. physicsme
    • 3 years ago
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    oh yeah,sorry, i took this problem as one of those math ones, yup, we'll do this by vectors

  3. physicsme
    • 3 years ago
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    |dw:1336851254257:dw|

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