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A man can run at a speed of 5 m/s in still air. If he runs in a direction opposite to the wind blowing at 2 m/s, what is his effective speed?

Practice Questions

1 question
Q1
A man can run at a speed of 5 m/s in still air. If he runs in a direction opposite to the wind blowing at 2 m/s, what is his effective speed?
  1. 3 m/s
  2. 5 m/s
  3. 7 m/s
  4. 10 m/s

Questions & Step-by-step Solutions

1 item
Q
Q: A man can run at a speed of 5 m/s in still air. If he runs in a direction opposite to the wind blowing at 2 m/s, what is his effective speed?
Solution: Effective speed = speed of man - speed of wind = 5 - 2 = 3 m/s.
Steps: 5

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