Mark the correct statements:

Velocity is a vector quantity and it is given by its magnitude and direction. The magnitude of velocity is called as speed. Therefore, option A is correct.


Since total distance is greater than or equal to total displacement in the given time interval, the average speed is thus greater than or equal to average velocity. Average speed is not always equal to average velocity. Therefore, option B is not correct.


When speed of a particle is zero, the distance travelled will be zero and thus average speed is zero. Therefore, option C is not correct.


When speed of the particle is never zero, the distance travelled will be not zero and thus the average speed will not be zero in that interval. Therefore, option D is not correct.

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