A river flows due East at 1.14 m/s. A boat

crosses the river from the South shore to the
North shore by maintaining a constant velocity of 4.36 m/s due North relative to the
water. The river is 378 m wide.
What is the velocity of the boat relative to
shore?
Answer in units of m/s

1 answer

v^2 = 1.14^2 + 4.36^2

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