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March 25, 2017

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Danny sails a boat downstream. The wind pushes the boat along at 21 km/hr. The current runs downstream at 15 km/hr. What is the actual velocity of the boat

  • science - ,

    Vb + Vc = 21 km/h,
    Vc = 15 km/h,
    Vb + 15 = 21,
    Vb = 21 - 15 = 6 km/h = Velocity of boat.

  • science - ,

    36 km/hr, downstream

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