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Therefore, the average speed of the boat. Shortcut Average Speed Of Boat Formula United Formula: Average Speed. Finding the ratio of speeds of the boat and the stream. Important: If the boat takes tdown and tup 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. Standard Method: Let Average Speed Of Boat Formula Years the common distance be d km. When the speed of a boat or a swimmer is given, it usually means speed in still water. Formulae. Suppose the speed of boat in still water is u km/hr and the speed of the stream is v km/hr. Then: Upstream Speed: It is the speed of the boat against the stream = (u - v) km/hr.� If a man is capable of rowing at the speed of u km/hr in still water, rows the equal distance up and down the stream which flows at a rate of v km/hr, then the average speed throughout the journey. A man can row a boat in still water at u km/hr. A stream is flowing at v km/hr and it take t hrs more in upstream than to go downstream for the same distance, then the distance is calculated by = (u2 � v2)t/2v km. A man rows a certain distance downstream in t1 hrs and returns the same distance upstream in t2 hrs. What are the average boat speeds for a sailboat, pontoon and cruiser? Check out the speed for each as well as what determines the average boat speed.� How fast do boats go on average? Below are the average and top speeds for three of the most common types of boats: sailboat, pontoon, and cruiser: Type of boat. Average speed. Top speed. Sailboat. 8 mph. 12 mph.

Boats and Streams is an essential topic for many competitive exams. Many varieties of questions can be framed from this area. We use the fundamental concepts of time speed and distance only to solve elementary questions on Boats and Streams.

However, some types of questions are tricky and take lots of time to solve by applying textbook approach. Fortunately, there are some shortcut formulas available to handle such problems. In this article, besides an understanding of the basic concepts of boat sand streams, we will also learn few tricks to solve some exceptional questions. Some shortcut formulas related to the speed of boats and streams is handy as we require them frequently.

Below are the lists of the formulas:. Question 1: A boat is rowed down a river 28 km in 4 hours and up a river 12 km in 6 hours. Find the speed of the boat and the river. Question 2: A man rows 18 km down a river in 4 hours with the stream and returns in 12 hours. Find his speed and also the speed of the stream. Question Average Speed Of Boat Formula 2021 The speed of the boat in the still water is 6 kpmh, and the speed of the stream is 2 kmph.

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. Finding the total time of the journey. Shortcut Formula: Let the speed of the boat in still water be x kmph. Leave a Comment Cancel Reply Your email address will not be published. Join Now.

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