question_answer

Which of the following is the correct definition for Average speed?

A)  Average speed \[=\frac{\text{total}\,\,\text{displacement}}{\text{total}\,\,\text{time}}\]

B)  Average speed \[=\frac{\text{total}\,\,\text{path}\,\,\text{length}}{\text{total}\,\,\text{time}}\]

C)  Average speed \[=\frac{\text{change}\,\,\text{in}\,\,\text{speed}}{\text{total}\,\,\text{time}}\]

D)  Average speed \[=\frac{\text{sum}\,\,\text{of}\,\,\text{all}\,\,\text{the}\,\,\text{speed}}{\text{total}\,\,\text{time}}\]