Asked by jo1475

a boat heading due north crosses a wide river with speed of 12km/h relative to the water the water in the river has a uniform speed of 5 km/h due east relative to the earth.determine the velocity of the boat relative to an observer standing on either bank and the direction of boat
Answered by ajayb
Do vector addition of the two velocities to obtain boat's velocity V w.r.t.river bank:

V = sqrt(12^2+5^2) = 13 Km/hr
and
tan theta = 5/12; (theta - angle between V and north)

Answered by edwin
Positive
Answered by umaima
The boat is heading due north as it crosses a wide river with a velocity of 10 km/h relative to water. The river has a maintain velocity of 5 km/h due east. Determine the velocity of the boat with respect to an observer on the riverbank.
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