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Downstream/Upstream Boat Speed - Important Formulas - APSC CSAT Paper Notes - AssamExam
In molecular biology and genetics, upstream and downstream both refer to relative positions of genetic code in DNA or RNA. Each strand of DNA or RNA has a 5' end and a 3' end, so named for the carbon position on the deoxyribose (or ribose) ring. By convention, upstream and downstream relate to the 5' to 3' direction respectively in which RNA transcription takes place. Upstream is toward the 5' end of the RNA molecule and downstream is toward the 3' end. When considering double-stranded DNA, upstream. Coverage of a specific distance by a man in stream (upstream and downstream) can be determined without any difficulties by using this distance covered by a person in upstream downstream formula. The man�s speed in still water, the stream speed flowing from one place to another and time consumed to reach upstream than downstream are the data necessary to perform calculation using this formula. The distance covered can be calculated in kilometre (km) units using this simple formula. Formula: Distance covered by person in journey (km) = ((a2 - b2)t) / 2b. Where, Boat Upstream And Downstream Formula Vba a = Speed in still water (km/hr) b. The terms upstream, midstream and downstream are often used to refer to the major sectors or operational components of the petroleum industry. The upstream sector involves the exploration for and extraction of petroleum crude oil and natural gas. The upstream oil sector is also known as the exploration and production (E&P) sector. The upstream sector includes the searching for potential underground or underwater oil and gas fields, drilling of exploratory wells, and subsequently operating the wells.

When we move upstream, our speed gets deducted from the speed of the stream. Similarly when we move downstream our speed gets added. Example 1: A boat travels equal distance upstream and downstream. What is the speed of the boat in still water?

Example 2: A boat travels equal distance upstream and downstream. What is the speed of the current? Example 3: 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.

Solution: Downstream speed is ,. Speed of current Downstream�Upstream speed. When the river is running at 1. How far is the place? A man rows a certain distance downstream in X hours and returns the same distance in Y hours. Example 5: Vikas can row a certain distance downstream in 6 hours and return the same distance in 9 hours. Example 6: Two ferries start at the same time from opposite sides of a river, travelling across the water on routes at right Formula For Downstream And Upstream Us angles to the shores. Each boat travels at a constant speed though their speeds are different.

They pass each other at a point m from the nearer shore. Both boats remain at their sides for 10 minutes before starting back. On the return Boat Upstream And Downstream Formula Free trip they meet at m from the other shore. Find the width of the river. Using i , we get. Using ii ,. Stream: It implies that the water in the river is moving or flowing.

Upstream: Going against the flow of the river. Downstream: Going with the flow of the river. Still water: It implies that the speed of water is zero generally, in a lake. Quicker Method to solve the Questions. Let the required distance be x km. Solution: Let the width of the river be x. Let a, b be the speeds of the ferries. Home G. Maths Reasoning Computer English. Share this page!

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