Answer to Question #103590 in Mechanics | Relativity for Fatima

Question #103590
A boat that can travel at 4.0 km/h in still water crosses a river with a current of 2.0 km/h. At what angle must the boat be pointed upstream (that is, relative to its actual path) to go straight across the river? Draw a diagram
1
Expert's answer
2020-02-24T10:48:06-0500
"\\cos a=\\frac{v_r}{v_b}=\\frac{2}{4}=0.5"

"a=60\\degree"


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