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Un article trouvé pour ce sujet.
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The speed of the boat |
2001-07-12 |
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Sharon pose la question :
A motor boat is travelling in a southeasterly direction in water that is flowing from the south at 2km per hour. Show that the speed of the boat is (6 times the square root of 2) km per hour, given that it can travel at 10km per hour in still water.
Penny Nom lui répond. |
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