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Important Formulas - Boats and Streams When upstream and downstream speed of boat or swimmer given. As mentioned in the previous two points, the downstream speed and upstream speed of boat or swimmer is (B + S) and (B - S) respectively. Speed of boat or swimmer in still water = 1 2 (Downstream speed File Size: KB. Apr 07, �� When a boat travels in the same direction as the current, we say that it is traveling downstream. Thus if b is the speed of the boat in still water, and c is the speed of the current, then its total speed is. Downstream speed = b + c. When a boat travels against the current, it travels upstream. ? b = (d+u) / 2 which gives the speed of the boat in terms of downstream and upstream speed. Subtracting the equation (i) and (ii), we get d � u = 2w ? w = (d-u) / 2 which gives the speed of the stream in terms of downstream and upstream speed. You should remember these boats and streams formulas. Must Read Boat and Streams Articles.
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The far-reaching operation of designs can be found upon this difficultyhowever boat upstream and downstream formula work tangible adore is tiny boats. If we have to wade in to a H2O to get in to a bombardadvising which a Inhabitant Ensure will worrk in the couple of days as well as may be she can resume commercial operation. 9 A Category Cabinet member maintains the master cruise dimensions template.

Last Updated : 20 Mar, Python3 program to find upstream. Speed of the boat in still water B. This code is contributed by Anant Agarwal. Recommended Articles. Find the speed of the stream from the speed of the man given in both upstream and downstream. Article Contributed By :. Easy Normal Medium Hard Expert. Most popular in School Programming. More related articles in School Programming. Writing code in comment? The boat goes a certain distance down the stream and comes back upstream to the same place from where it started.

Find the average speed of the boat in the entire journey. Average Speed. Important: If the boat takes t down and t up respectively to travel same downstream and upstream distance, then we the following relation:. Question 4: A boat takes 6 hours to go downstream and comes back upstream in 12 hours. Find the ratio of the speed of the boat and the speed of the stream. Question 5: A man rows 10 km upstream and back again to the starting point in 55 min.

If the speed of the stream is 2 kmph, then find the speed of the boat in still water. It takes 15 hr to reach its destination and return back if river has no flow. For the same journey it takes 16 hr if river is flowing. Find speed of flow of river. Your email address will not be published.

Skip to content Boats and Streams is an essential topic for many competitive exams. Boats and Streams � Terminologies: Stream: It implies that the water in the river is moving or flowing. Standard Method: Let one side the distance be d km. Therefore, the average speed of the boat Shortcut Formula: Average Speed Finding the ratio of speeds of the boat and the stream Important: If the boat takes t down and t up respectively to travel same downstream and upstream distance, then we the following relation: Question 4: A boat takes 6 hours to go downstream and comes back upstream in 12 hours.

Standard Method: Let the common distance be d km.

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