A boat which has a speed of 5 km/h in still water crosses a river of width 1 km along the…
Physics · JEE Main · NTA Exams — Kinematics
A boat which has a speed of 5 km/h in still water crosses a river of width 1 km along the shortest possible path in 15 min. The velocity of the river water in km per hour is
- 1
- 3
- 4
- \(\sqrt{41}\)
Answer
(B) 3
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- If ; 0 x < 1, then the value of ( c a+b ) is
- The position vector of a particle F as a function of time is given by: R =4 (2 t) i +4 (2 t) j Where R is in…
- From the top of a tower, a particle is thrown vertically downwards with a velocity of 10 m/s. The ratio of…
- A ball is dropped from a bridge 122.5 m high. After the first ball has fallen for 2 s, a second ball is…
- Rain is falling vertically with a velocity of 25 ms ^ - l . A woman rides a bicycle with a speed of 10 ms ^ …
- A car moving on a straight road covers one third of the distance with a speed of 20 km/hr and the rest with a…
- An athlete completes one round of a circular track of radius R in 40 seconds. If he/she continues to move…
- A bus is moving with a speed of 10 ms -1 on a straight road. A scooterist wishes to overtake the bus in 100…