Question

Which factor is NOT needed to calculate a moving object’s average speed?

A. total time

B. total distance

C. total displacement


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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.


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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

Answer 1

Answer: Q1.

Step-by-step explanation:

Answer 2

Q1. C Q2. C Q10. A

Step-by-step explanation:

Q1. Displacement is used to calculate mass, weight, or density.

Q2. Since they have different velocities, but same direction.

Q10. S= D/T (Speed = distance / time)