Hannah made a chart to describe speed and velocity. Which best describes how to correct Hannah’s error?
A. Switch the chart headings “Speed” and “Velocity.”
B. Describe the calculation for speed as “dividing distance by time.”
C. In the “Speed” column, change “has magnitude” to “is a displacement.”
D. Change the last row of the “Velocity” column to “does not depend on a reference frame.”
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The best option to correct would be,
B. Describe the calculation for speed as “dividing distance by time.”
Speed is a scalar quantity. It is the rate at which it covers a certain distance. It is calculated as total distance divided by time.
Velocity is the rate of change of a position. It can be calculated by change in displacement divided by change in time.
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