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Vocabulary
Formulas
D-T and V-T Graphs
Practice Problems
100
The measure of how fast something moves or the distance it moves, in a given amount of time.
What is speed?
100
The formula for speed is...
What is, speed=distance/time? s = d / t
100
In a distance time graph, as an object moves, if the distance it travels is ___________________ with time, this can be seen as a climbing or rising line on a graph.
What is increasing?
100
Jenna walks 200m in 10s, moving at different speeds. For what are you solving? a. acceleration b. average speed c. velocity
What is b. average speed?
200
Speed in a given direction.
What is velocity?
200
The formula for velocity is...
What is, velocity=distance/time, in a given direction. v = d / t
200
In a distance-time graph as an object moves, if the distance it travels ______________with time, this can be seen as a falling line on a graph.
What is decreases?
200
Josh sits in a moving bus. As he looks out the window, another bus is moving right next to his. When he looks again, the other bus is slightly in front of his. Which of the following is true? a. The other bus is moving slower than Josh's bus. b. The other bus is moving with the same speed as Josh's bus. c. The other bus is moving faster than Josh's bus.
What is, c. The other bus is moving faster than Josh's bus.
300
The rate at which velocity changes.
What is acceleration?
300
The formulas for acceleration is...
What is, acceleration=final velocity - initial velocity/time. a = vf - vi / t
300
In a distance-time graph if there is a speed of zero m/s, the line will be/look like...
What is flat or horizontal?
300
Emma rides her bike at a steady velocity. This shows... a. her acceleration is equal to zero b. her distance is smaller with each passing second c. her acceleration is opposite to her motion
What is, a. her acceleration is equal to zero.
400
A location to which you compare other locations.
What is point of reference?
400
The solution to this problem is: A snowboard racer traveling south completes a 100 meter course in 20 seconds. What is his velocity?
What is velocity= 5 meters/second south?
400
The rising line on a velocity-time graph shows...
What is positive acceleration?
400
Acceleration measures a change in...
What is velocity?
500
Fill in the blanks: The __________________ of a place or object is the location of that place or object. ______________ is the change of position over time.
What is position? What is motion?
500
Tracey falls during skiing and starts sliding down the hill with a velocity of 2 meters / second. After 5 seconds, her velocity is 12 meters/second. What is Tracey's acceleration?
What is, acceleration= 2 meters/second squared
500
The falling and flat lines on a velocity-time graph show ________________ and _______________ acceleration.
What are, 'negative' and 'no' acceleration.
500
Judy walked west at 50 m/s. Gary walked at the same speed, but with a different velocity. This means he could have walked: a. west at 100 m/s b. east at 50 m/s c. west at 50 m/s
What is, b. east at 50 m/s