Dec 18, �� A boat goes 30 km upstream and 44 km downstream in 10 hours [Video] Example 19 In 13 hours, it can go 40 km upstream and 55 km down-stream. Determine the speed of the stream and that of the boat in still water. v = the speed of the boat in still water, v>=0 v - c = the speed of the boat upstream v + c = the speed of the boat downstream d = 6 mi the distance traveled in each direction. Jun 12, �� Average Speed of Boat = {(Upstream Speed ? Downstream Speed) / Boat�s Speed in Stii Water} If it takes �t� hours for a boat to reach a point in still water and comes back to the same point then, the distance between the two points can be calculated by Distance = {(u 2 -v 2) ? t} / 2u, where �u� is the speed of the boat in still.
Signing up is freequick, and confidential. Practice Pays we will pick new questions that match your level based on your Timer History. Hence, speeds are subtracted while going upstream. Examples: Q 5. E-mail address:. Featured Deals. Crash Course.
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