Question

a man swims across the river which flows with a velocity of 3km/h due east. If the velocity of man relating to water is 4km/h due north, then a) What is his velocity relative to the shore of the river? B) How long does he take to cross the river if the river is 1km wide c) How far from his starting point will he reach the opposite bank​

Answer 1

Explanation:

1.5 km/hour

2.20 minute

3.4/3 km/hr