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NEETPhysicsMotion in One Dimension

A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. What is the average speed of the man over the interval of time 0 to 30 minutes?

Options

  1. A2.5 km/h
  2. B5.0 km/h
  3. C6.0 km/h
  4. D7.5 km/h

Correct answer

C. 6.0 km/h

Step-by-step solution

Correct Option is : (C) 6.0 km/h

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