Question

The speed is represented by1) the ratio of the change of position to the time interval during the change.2) the absolute value of the slope of a position-time graph.3) the instantaneous velocity.4) the time interval.

Answer 1

Speed:

Speed is simply defined as how fast the object is moving. The speed of the object can be measured or calculated in meters per second

The speed is represented by the ratio of the change of position to the time interval during the change.

Hence, the correct option is (1).