The speed 3

The speed of a boat in still water 10 km/h. If the boat goes 37.5 km upstream in 5 h, find the speed of the stream.

Correct answer:

v2 =  2.5 km/h

Step-by-step explanation:

v1=10 km/h s=37.5 km t=5 h  v=ts=537.5=215=7.5 km/h  v = v1v2  v2=v1v=107.5=2.5 km/h



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