A person

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A person, rowing at the rate of 5 km/h in still water, takes thrice as much time in going 40 km upstream as in going 40 km downstream. Find the speed of the stream.
22
Nov
A person, rowing at the rate of 5 km/h in still water, takes thrice as much time in going 40 km upstream as in going 40 km downstream. Find the speed of the stream. A person rowing at the rate of 5 km/h in still water takes thrice as much time in going 40 km [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Maths , NCERT Class 10 ,
Tags: A person , rowing at the rate of 5 km/h in still water , takes thrice as much time in going 40 km upstream as in going 40 km downstream. Find the speed of the stream. ,
A person, intending to cross a river by the shortest path, starts at an angle alpha with the downstream. If the speed of the person be less than that of water current, show that alpha must be obtuse.
21
Sep
A person, intending to cross a river by the shortest path, starts at an angle alpha with the downstream. If the speed of the person be less than that of water current, show that alpha must be obtuse. A person intending to cross a river by the shortest path show that alpha must be obtuse. [...]
Posted in: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Tags: A person , intending to cross a river by the shortest path , show that alpha must be obtuse. , starts at an angle alpha with the downstream. If the speed of the person be less than that of water current ,