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25
×
Explain the motion of the object in the graph.
slow constant speed away from start, stopped, slow constant speed away from start, fast constant speed home
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5
×
Define scalar.
A quantity that includes only magnitude (size).
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15
×
What does "delta v" represent?
change in velocity (final velocity minus initial velocity)
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25
×
Draw a graph for a person who walks up a hill at a constant speed, across the top, and down the other side.
See Graph on Board
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5
×
Define distance.
Total length of an object's path.
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15
×
How do you calculate average speed?
total distance divided by total time
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thief
Give points!
5
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20
25
×
rocket
Go to first place!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 15 points!
Oops!
15
×
How quickly an object is moving at a certain time is its...
instantaneous speed
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lifesaver
Give 10 points!
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gift
Win 15 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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baam
Lose 5 points!
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thief
Give points!
5
10
15
20
25
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shark
Other team loses 10 points!
Okay!
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gift
Win 20 points!
Okay!
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lifesaver
Give 20 points!
Oops!
10
×
What does negative slope represent on a distance vs time graph?
going back to start
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banana
Go to last place!
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rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
Explain why a car turning a corner at a constant speed of 20 m/s is not traveling at a constant velocity.
Because the direction of the car is changing, velocity is not constant (vector).
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10
×
How do you calculate distance?
Add up all of the lengths to get a total distance.
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10
×
What does a horizontal line above the x axis represent on a speed vs time graph represent?
constant speed
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10
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What does negative slope represent on a speed vs time graph?
slowing down
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