A boat crosses a river of width 1 km along the shortest path in 15 minutes. If the speed…
Physics · JEE Main · NTA Exams — Kinematics
A boat crosses a river of width 1 km along the shortest path in 15 minutes. If the speed of boat in still water is 5 km/hr, then what is the speed of the river?
- 1 km/hr
- 3 km/hr
- 2 km/hr
- 5 km/hr
Answer
(B) 3 km/hr
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