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11 September, 05:42

A boat needs to travel south at speed of 20km/h. A constant current of 6km/h is flowing from the south-east. Find the resultant speed of the boat?

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Answers (2)
  1. 11 September, 05:44
    0
    26km/hr twenty six kilometres per hour
  2. 11 September, 05:51
    0
    15.76 km/h.

    Step-by-step explanation:

    Th current is flowing against the flow of the boat.

    Resultant speed of the boat = 20 - the resultant speed of the current in the north direction

    = 20 - 6 cos45

    = 15.76 km/h.
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