Motion Vocabulary
Speed and Velocity
Acceleration
Interpreting Graphs
100
The rate at which an object moves.
What is velocity?
100
This is measured by your car's speedometer.
What is instantaneous speed?
100
Acceleration is described as changes in ________, changes in ___________, or both.
What are speed and direction?
100
Motion of a car if the line on the distance-time graph is horizontal.
What is not moving?
200
This quantity has Magnitude & Direction.
What is a vector?
200
The speed of a train car if its distance-time graph indicates that it traveled 200 meters in 25 seconds.
What is 8 meters per second?
200
The acceleration of a bus moving at a constant speed of 50 miles per hour.
What is zero?
200
Motion of a car if the line on the distance-time graph is a straight line going up.
What is moving at constant speed?
300
Velocity at a point in time.
What is instantaneous velocity?
300
The faster runner if Bo runs 4 miles in 1 hour, and Mo runs 2 miles in 20 minutes.
Who is Mo?
300
The formula for calculating acceleration.
What is the change in velocity divided by the total time?
300
Motion of a car if the line on a distance-time graph is a straight line going down.
What is moving at constant speed?
400
Change in velocity.
What is acceleration?
400
A train's average speed if it travels 190 kilometers in 3 hours, and then 120 kilometers in 2 hours.
What is 62 kilometers per hour?
400
The acceleration of a car traveling at 10 meters per second that takes 20 seconds to stop.
What is 0.5 meters per second squared?
400
Motion of a car if the line on a distance-time graph is curving upward.
What is speeding up?
500
How much energy is needed to change an objects motion.
What is momentum?
500
A jogger's average speed if she jogs 4 kilometers in 32 minutes, then 2 kilometers in 22 minutes, and finally 1 kilometer in 16 minutes.
What is 0.1 kilometers per minute?
500
The acceleration of a race car that goes from a pace car speed of 400000 kilometers per second to full speed of 900000 kilometers per second in 10 seconds.
What is 50000 kilometers per second squared?
500
Motion of a car if the line on a velocity-time graph is a straight line down.
What is slowing down?
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