Which factor is NOT needed to calculate a moving object’s average speed?
A. total time
B. total distance
C. total displacement



An arrow representing the velocity 3 m/s east and an arrow representing the velocity 6 m/s east would have the
A. same direction and same length.
B. different directions and same length.
C. same direction and different lengths.
D. different directions and different lengths.


10. Which equation could be used to solve for the average speed of a car that travels 90 m in 20 seconds?
A- Average Speed= 90m/20s
B- Average Speed= 20s/90m
C- Average Speed= 90m x 20s
D- Average Speed= 20s + 90m