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A swimmer can swim at 3 km/h in still water. If he swims across a river flowing at 2 km/h, what is his resultant speed?

Practice Questions

1 question
Q1
A swimmer can swim at 3 km/h in still water. If he swims across a river flowing at 2 km/h, what is his resultant speed?
  1. 3 km/h
  2. 4 km/h
  3. 5 km/h
  4. 6 km/h

Questions & Step-by-step Solutions

1 item
Q
Q: A swimmer can swim at 3 km/h in still water. If he swims across a river flowing at 2 km/h, what is his resultant speed?
Solution: Resultant speed = √(3² + 2²) = √(9 + 4) = √13 ≈ 3.6 km/h.
Steps: 0

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