An athlete is training on a 100 m long linear track. His motion is described by the graph of his position vs. time, below. x (m) 100- 80 DA B 60 40 20 t (s) 60 10 20 30 40 50 (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. magnitude v, 6 m/s direction VA positive x magnitude vg m/s direction VB The magnitude is zero. v magnitude vc Remember that velocity is the change in position per the change in time. If the graph plots position vs. time, what property of the plot in each segment is related to velocity? Think about the initial and final times and positions for each segment. m/s direction vc negative x magnitude vp D4 V m/s direction Vp Ppositive x (b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval? magnitude 1.67 m/s direction positive x

An athlete is training on a 100 m long linear track. His motion is described by the graph of his position vs. time, below. x (m) 100- 80 DA B 60 40 20 t (s) 60 10 20 30 40 50 (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. magnitude v, 6 m/s direction VA positive x magnitude vg m/s direction VB The magnitude is zero. v magnitude vc Remember that velocity is the change in position per the change in time. If the graph plots position vs. time, what property of the plot in each segment is related to velocity? Think about the initial and final times and positions for each segment. m/s direction vc negative x magnitude vp D4 V m/s direction Vp Ppositive x (b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval? magnitude 1.67 m/s direction positive x

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.1: Vectors

Problem 3PP

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