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Jun 12, �� Upstream Speed = 15 + x. Downstream Speed = 15 � x. So, {30 / (15+x)} + {30 / (x)} = 4 ? (4 hours 30 minutes) ? { / (x2)} = 9/2. ? 9x2 = ?x2 = ?x = 5. Q 5. A boat is moving 2 km against the current of the stream in 1 hour and moves 1 . Nov 21, �� If the speed downstream is a km/hr and the speed upstream is b km/hr, then. Boat Speed in still water = ? (Downstream Speed + Upstream Speed) = 1/2 x (a + b) km/hr. Rate of stream = ? (Downstream Speed � Upstream Speed) = 1/2 x (a � b) km/hr. Average Speed of Boat = {(Upstream Speed ? Downstream Speed) / Boat�s Speed in Still Water}. If sum of upstream and downstream speed of a boat is 82 kmph, and the boat travels km. upstream in 3 hr, Find the time taken by boat to cover km downstream. Answer: B) hrs. The boat rowing speed of a person in the still water will not be same as that of the boat rowing speed in upstream and downstream water. On considering the boat speed in still water, the speed of a boat in downstream will be more and speed in upstream will be low. This page shows you the average speed of boat in upstream and downstream formula which will assist you to calculate the speed of the boat in a stream based on the inputs of speed in still water and stream speed. Formula: Average Speed of a Boat (km/hr) = ((a + b) x (a - b)) / a Speed in Downstream (km/hr) = a + b Speed in Upstream (k. Obviously, on comparing the speed in still water, the speed in downstream will be more and speed in upstream will be less.� Formula: Average Speed of a Boat (km/hr) = ((a + b) x (a - b)) / a Speed in Downstream (km/hr) = a + b Speed in Upstream (km/hr) = a - b Where, a = Speed in Still Water (km/hr) b = Speed of Stream (km/hr). Example: Calculate the average speed of boat in upstream and downstream with the still water speed of 30 km/hr and speed of the stream of 20 km/hr. Solution: Average speed of a boat = ((30 + 20) x (30 � 20)) / 30 = km/hr speed in downstream = 30 + 20 = 50 km/hr speed in upstream = 30 � 20 = 10 km/hr. if that�s the upstream speed nice and easy 11x = m/s is the downstream speed. if that�s the downstream speed then 11x = m/s is the upstream speed. If we are saying the speed of the boat in still water is 11km/h then the actual difference between upstream vs downstream travel is 20%. A good formula to start with would be. x = speed of river. Downstream speed of boat = 11+x. Upstream speed of boat = x If the difference is 20% the downstream speed would be x that of the upstream speed so. 11+x = (x) Then we just solve for x.
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Inexpensive Deck Boats Hudson River Sightseeing Cruise From Albany Movie

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