How do you find the total distance and displacement as well as the average speed and velocity?

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter3: Two-dimensional Kinematics
Section: Chapter Questions
Problem 65PE: An athlete crosses a 25-m-wide river by swimming perpendicular to the water current at a speed of...
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How do you find the total distance and displacement as well as the average speed and velocity?

x (m)
100-
Position vs. time - Graph 3
-100-
t (s)
18 20
6 8 10 12 14 16
v (m/s)
10-
Velocity vs. time
-10-
t (sec)
2
4
8 10 12 14 16
18 20
Motion diagram
x (m)
80 100
-100 -80 -60 -40 -20
t = 20.00 s
o 20
x = 50.50 m
40
60
v = 10.00 m/s
Play
Pause
<< Step
Step >>
Reset
Initial position: -50 m
+50 m
-50
Velocity: -10 m/s
10 m/s
10
Acceleration: -2.0 m/s/s
2 m/s/s
0.0
Transcribed Image Text:x (m) 100- Position vs. time - Graph 3 -100- t (s) 18 20 6 8 10 12 14 16 v (m/s) 10- Velocity vs. time -10- t (sec) 2 4 8 10 12 14 16 18 20 Motion diagram x (m) 80 100 -100 -80 -60 -40 -20 t = 20.00 s o 20 x = 50.50 m 40 60 v = 10.00 m/s Play Pause << Step Step >> Reset Initial position: -50 m +50 m -50 Velocity: -10 m/s 10 m/s 10 Acceleration: -2.0 m/s/s 2 m/s/s 0.0
Expert Solution
Step 1

From the graph, the object started from -50 m and stops at 50 m.

Thus, the total distance travelled by the object in 20 seconds is:

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