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) B 60 C P 40 A 10 20 30 100 80 20 D -Select--- 40 (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. magnitude VA m/s direction VA t (s) 50 60

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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)
B
#
C
A
20
30
KUPA
100
80
60
40
20
10
direction VB
magnitude vc
direction VC
magnitude VD
direction VD
-Select---
-Select---
(a) For each segment of the graph, find the magnitude and direction of the athlete's velocity.
magnitude VA
m/s
direction VA
magnitude VB
-Select---
-Select---
m/s
-Select---
m/s
40
m/s
DZ
50
60
t (s)
(b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval?
magnitude
m/s
direction
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) B # C A 20 30 KUPA 100 80 60 40 20 10 direction VB magnitude vc direction VC magnitude VD direction VD -Select--- -Select--- (a) For each segment of the graph, find the magnitude and direction of the athlete's velocity. magnitude VA m/s direction VA magnitude VB -Select--- -Select--- m/s -Select--- m/s 40 m/s DZ 50 60 t (s) (b) What are the magnitude and direction of the athlete's average velocity over the entire 60 s interval? magnitude m/s direction
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