Asked by Ron

A boat moving at 8.9 km/hr relative to the water is crossing a river 4.6 km wide in which the current is flowing at 2.4 km/hr. At what angle upstream should the boat head to reach a point on the other shore directly opposite the starting point?
Answered by Damon
how wide has nothing to do with this

Upstream speed = 8.9 sin T - 2.4
if we do not want to go upstream, that must be zero
so
8.9 sin T = 2.4
T = 15.6 degrees
Answered by Yusuph
I request the answer
Answered by Jonathan
12
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