Lab: Motion Answers

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Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements.

Answers:
In this experiment, the was intentionally manipulated. This was the independent variable.:height of the track
The dependent variable measured was the .:speed of the car
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✔ speed of the carheight of the trackdistance traveled

A
✔ speed of the car
B
height of the track
C
distance traveled
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Use the table to answer the questions.

Question illustration
Answers:
Blank 1:2.02
Blank 2:2.15
Blank 3:0.13
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Match the measurement with the proper SI unit.

Answers:
Acceleration::Meters per second squared
Velocity::Meters per second
Distance::Meters
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Meters✔ Meters per secondMeters per second squared

A
Meters
B
✔ Meters per second
C
Meters per second squared
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✔ MetersMeters per secondMeters per second squared

A
✔ Meters
B
Meters per second
C
Meters per second squared
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Calculate speeds for each track. How much faster was the car on the higher track than the lower track?

Answers:
Based on the time measurements in the table, what can be said about the speed of the car on the lower track as compared to the higher track?:Cars travel faster on the higher track.
How can the reasoning for the above answer be best explained? On the higher track, the elapsed time is .:shorter
Selection 3:0.56 m/s
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✔ shorterlongerequal

A
✔ shorter
B
longer
C
equal
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✔ 0.56 m/s1.54 m/s3.50 m/s

A
✔ 0.56 m/s
B
1.54 m/s
C
3.50 m/s
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Use the graph of distance versus time to complete the sentences.

Answers:
The cars on the higher track travel the cars on the lower track, in the same time.:farther than
This means that the cars on the higher track have a average speed than those on the lower track.:greater
This is demonstrated by the of the higher track line being greater than the slope of the lower track line.:slope
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slowersimilar✔ greater

A
slower
B
similar
C
✔ greater
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✔ slopeending pointlength

A
✔ slope
B
ending point
C
length

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