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A river flows at a velocity of 3 km/h relative to the riverbank. A boat moves downstream at a velocity of 15 km/h relative to the river. What is the velocity of the boat relative to the riverbank?
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38 votes
38 votes
A river flows at a velocity of 3 km/h relative to the riverbank. A boat moves downstream at a velocity of 15 km/h relative to the river. What is the velocity of the boat relative to the riverbank?

User Luis Teijon
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3.0k points

1 Answer

19 votes
19 votes

Answer:

18km/h

Step-by-step explanation:

vector addition

User Enchantres
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2.3k points
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