2. Questions Bank
  3. 9th Class
  4. Social Science
  5. Time and Motion

9th Class Social Science Time and Motion Question Bank 9th CBSE Social Science Motion

  • question_answer
      A physical quantity measured is -10 m/s. Is it a speed or velocity?

    Answer:

                      It is velocity because velocity can be positive, zero or negative while speed is always positive.


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