Vocab
Word Problems
x vs t Graphs
v vs t Graphs
Slopes
100
What is the equation for acceleration?
change in velocity / change in time
100
Lynn travelled 12 meters in 3 seconds. What was her speed?
4 m/s
100
Which segment represents an object moving forward the quickest?
B
100
What is the object doing in the first 10 seconds?
Moving forward
Speeding up
100
What is the slope of a position vs. time graph?
velocity
200
Decrease in speed is one type of acceleration. What are 2 other types?
increase in speed
change in direction
200
How far can Charlie travel in 60 seconds at 3 m/s?
180 meters
200
Which segment's represent an object not moving?
C
200
When is the object moving backward?
between 30 and 55 seconds
200
What is the slope of a velocity vs. time graph?
acceleration
300
Speed is most similar to which?
acceleration, time, distance, or velocity
velocity
300
How long would it take Savannah to speed up from 22 m/s to 30 m/s with an acceleration of 2 m/s2?
4 seconds
300
Moving forward
Speeding up
300
When is the object moving at a constant speed?
from 10 to 15 seconds
300
Which graph's slope can be used to directly calculate the acceleration of an object? Using what?
velocity vs. time graph
Slope
400
How is velocity different from speed?
direction
400
Olivia was moving at 8 m/s. Then she pressed the brakes for 4 seconds, slowing down to 2 m/s. What was her acceleration?
-1.5 m/s2
400
What does this position vs. time graph represent?
moving forward
slowing down
400
When is the object slowing down?
From 15 to 30 seconds
From 40 to 55 seconds
400
Which of these slopes will NOT exist in a position vs. time graph? Why not?
Undefined Slope (vertical line)
An object can not be in multiple locations at the same time.
500
Which are a = 0?
speeding up, slowing down, not moving, constant speed
not moving
and
constant speed
500
Sally was travelling at 60 m/s then started to accelerate at 0.5 m/s2 at 10:05 am. At what time did she reach 70 m/s?
10:25 am
500
Moving Backward
Speeding Up
500
When is the object NOT moving?
0 seconds, 30 seconds, 55 seconds
500
What can you calculate using this graph? Calculate that.
a = 4 m/s2