1.

A boat sails across a river with a velocity of 10 km/hr. If resultant boat velocity is 14 km/hr, then what is the velocity of river water?

A. 17.20 km/hr
B. 10 km/hr
C. 9.79 km/hr
D. 4.88 km/hr
Answer» D. 4.88 km/hr


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