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Does a car's odometer measure position or displacement? Does its speedometer measure speed or velocity?

 

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Priyanka
PriyankaLv10
29 Nov 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Q2.1 Does the speedometer of a car measure speed or velocity? Explain.

1. What is the difference between speed and velocity?
a. Speed is an average quantity while velocity is not.
b. Velocity contains information about the direction of motion while speed does not.
c. Speed is measured in mph, while velocity is measure in m/s.
d. The concept of speed applies only to objects that are neither. speeding up or slowing down, while velocity applies to every kind of motion.
e. Speed is used to measure how fast an object is moving in a straight line, while velocity is used for objects moving along curved paths.
2. The quantity 2.67 x 103 has how many significant figures?
a.1
b.2
c.3
d.4
e.5
3. If Libby walks 100 m to the right, then 200 m to the left, her net displacement vector points
a. to the right.
b. to the left.
c. has zero length.
d. cannot tell without more information.
4. Velocity vectors point
a. in the same direction as displacement vectors.
b. in the opposite direction as displacement vectors.
c. perpendicular to displacement vectors.
d. in the same direction as acceleration vectors.
e. velocity is not represented by a vector.

 

If you divide the total distance travelled on a car trip (as determined by the odometer) by the time for the trip, are you calculating the average speed or the magnitude of the average velocity? Under what circumstances are these two quantities the same?

 

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