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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 60 40 20 direction VA magnitude v VA direction VC magnitude VD B 10 (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. magnitude VA 0 X D 20 30 40 50 60 t (s) 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 The magnitude is zero. X -1.33 x 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 negative x ✓X direction VB 4 X 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 positive x v x 1.67 positive x x 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 positive x direction VD (b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval? m/s magnitude direction

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 60 40 20 direction VA magnitude v VA direction VC magnitude VD B 10 (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. magnitude VA 0 X D 20 30 40 50 60 t (s) 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 The magnitude is zero. X -1.33 x 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 negative x ✓X direction VB 4 X 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 positive x v x 1.67 positive x x 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 positive x direction VD (b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval? m/s magnitude direction

Glencoe Physics: Principles and Problems, Student Edition
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
Section: Chapter Questions
Problem 61A
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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 60 40 20 direction VA magnitude VB direction VB magnitude v с تو سفر direction VC magnitude VD A 10 B C 4 20 30 40 (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. 0 magnitude VA X D 50 positive x 60 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 The magnitude is zero. ✓ X -1.33 X t (s) 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 negative x X 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 positive x 1.67 X 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 positive x direction VD (b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval? magnitude m/s direction Q Search D 18 H < ((( Ų 10:1 6/1/
Transcribed Image Text: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 60 40 20 direction VA magnitude VB direction VB magnitude v с تو سفر direction VC magnitude VD A 10 B C 4 20 30 40 (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. 0 magnitude VA X D 50 positive x 60 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 The magnitude is zero. ✓ X -1.33 X t (s) 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 negative x X 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 positive x 1.67 X 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 positive x direction VD (b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval? magnitude m/s direction Q Search D 18 H < ((( Ų 10:1 6/1/
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