Question: A person who walks for exercise produces the positiontime graph given with this problem. (a)Without doing any calculations, decide which segments of the graph (A,

A person who walks for exercise produces the position–time graph given with this problem.

(a)Without doing any calculations, decide which segments of the graph (A, B, C, or D) indicate positive, negative, and zero average velocities.

(b) Calculate the average velocity for each segment to verify your answers to part(a).

A person who walks for exercise produces the position–time graph

+1.25 +1.00 +0.75 +0.50 0. +0.25 0 0 0.20 0.40 0.60 0.80 1.00 Time (h)

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a The slope and hence the average velocity is positive for segments A and C ... View full answer

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