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Question 8

Which of the following relations is correct?

(i) Speed = Distance × Time      (ii) Speed = Distance
                                                                        Time

(iii) Speed = Time                       (iv) Speed =            1          
                   Distance                                      Distance × Time

Answer

(ii) The speed of an object is given by the relation:

Speed = Distance travelled
                        Time

The speed is defined as the distance covered by an object per unit time. The SI unit of time is m/s.

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