A cross-country skier moves from location A to location B to location C to location D. Each leg of the back and forth motion takes 1 minute to complete; the total time

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Chapter3: Motion Along A Straight Line
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Problem 28P: A cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km....
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Can someone help me, please? I need help with 6C and 6D.
6. A cross-country skier moves from location A to location B to location C to location
D. Each leg of the back and forth motion takes 1 minute to complete; the total time
is 3 minutes.
A
D
B
West
East
t=Omin
t=2 min
t=3min
t-1min
80
140
160
20
60
100
120
a. What is the distance travelled by the skier in the first 3 minutes?
b. What is the net displacement of the skier in the first 3 minutes?
c. What is the displacement during the second minute?
d. What is the displacement during the third minute?
Transcribed Image Text:6. A cross-country skier moves from location A to location B to location C to location D. Each leg of the back and forth motion takes 1 minute to complete; the total time is 3 minutes. A D B West East t=Omin t=2 min t=3min t-1min 80 140 160 20 60 100 120 a. What is the distance travelled by the skier in the first 3 minutes? b. What is the net displacement of the skier in the first 3 minutes? c. What is the displacement during the second minute? d. What is the displacement during the third minute?
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