X = 10 km/h
Y = 2 km/h
V^2 = X^2 + Y^2 = 10^2 + 2^2 = 104
V = 10.20 m/s.
A river is flowing along the east direction with a velocity of 10km/hr. A person heads towards north with a velocity of 2km/hr. what is the velocity of the person with respect to ground?
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