Question

The speed of a boat is 5 km/h in still water. It crosses a river of width 1 km along the shortest possible path in 15 min. The velocity of the river water is

Answer 1

Answer:

3kmph

Explanation:

v of boat wrt water=1km/15min=4kmph

so according to pythogorous Theron

(V river)^2 + (V boat wrt water)^2=(V boat)^2

x^2+4^2=5^2

x^2+16=25

x^2=9

x=3

Answer 2

Answer:

3kmph this is your answer ✔️✔️