A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 met
ers/second to the east. What is the resultant velocity of the boat, as measured from the land?
1 answer:
The magnitude of the resultant is
√ (22² + 2.2²) = √ (484 + 4.84) = √488.84 = 22.11 m/s .
The direction of the resultant is
tan⁻¹(22N / 2.2E) = tan⁻¹(10) = 5.71° east of north .
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