When the slope on an acceleration line graph goes down, what kind of acceleration is it?
negative acceleration
100
What is the formula for finding velocity?
velocity = distance / time; v = d / t
100
speeding up
positive acceleration
200
What are the numbers on the x and y axis called?
Scale
200
What kind of measurement is speed?
Scalar measurement
200
When the slope on an acceleration line graph go up, what kind of acceleration is it?
positive acceleration
200
What is the formula for acceleration?
acceleration = change in velocity / time; a = Vf- Vi / t
200
speed slows down
negative acceleration
300
the space between the numbers on the scale
interval
300
speed in a certain direction
velocity
300
When the slope on an acceleration line graph does not go up or down and stays straight, what is happening?
constant velocity or constant speed
300
What is the unit of measurement for velocity?
meters per second (m/s)
300
to remain the same...does not change
constant
400
What is the slope of the line on a velocity or speed line graph?
speed (velocity)
400
Speed is velocity when what is added?
direction
400
A car starts at the bottom of a hill with a velocity of 30 m/s and 5 seconds later it is at the top of the hill going at a velocity of 15 m/s. What was the acceleration of the car?
-3 m/s 2
400
What is the unit of measurement for acceleration?
m / S 2
400
a change in velocity
acceleration
500
The slope of the line in an acceleration line graph shows what?
acceleration
500
What was the velocity of a runner traveling twenty meters in forty seconds?
velocity = .5 m/s
500
The bicyclist started the race and half way through the race at 20 seconds she had a velocity of 5 m/s. Ten seconds later her velocity was 10 m/s. What was her acceleration?
.5 m/s 2
500
the opposite of acceleration; another word for negative acceleration