Jee Main
Motion In A Plane
JEE Main 2023 (Online) 31st January Morning Shift
INTEGER+4 / -12023
The speed of a swimmer is \(4 \mathrm{~km} \mathrm{~h}^{-1}\) in still water. If the swimmer makes his strokes normal to the flow of river of width \(1 \mathrm{~km}\), he reaches a point \(750 \mathrm{~m}\) down the stream on the opposite bank.
The speed of the river water is ___________ \(\mathrm{km} ~\mathrm{h}^{-1}\)