Motion Vocabulary
Distance and Displacement
Speed and Velocity
Acceleration
Interpreting Graphs
100
The ratio of the distance an object moves to the amount of time needed to travel the distance.
What is speed?
100
Of the following, the one that would be most practical for measuring the length of your finger. kilometers miles centimeters feet
What is centimeters?
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
List the 3 vectors we have learned about in this unit.

What is displacement, velocity, and acceleration?

200

Nikki's total displacement if he drives 4 miles east from his house to pick up his friend Dave, and then drive 2 more miles east to school.

What is 6 miles East?

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 with a positive slope?

What is moving at constant positive velocity?

300
The rate at which velocity changes.
What is acceleration?
300

Monique's total displacement if she walks 2 blocks east to her friend Carla's house, 4 blocks north, and then 2 blocks west (past her own house) to her friend Kate's house.

What is 4 blocks North?

300

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?

300

How long does it take a car to accelerate from 9 m/s to 25 m/s at an acceleration of 0.5 m/s2?

32 seconds

300

What does the slope of a velocity-time graph represent?

What is acceleration?

400

Term for the change in position of an object from the starting position to the final position.

What is displacement?

400
Johnny's total displacement if he walks 2 miles to the school, and then takes the short cut back home that is only 1 mile.
What is zero?
400
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?
400

An iceskater initially gliding forward at 8.2 m/s transitions into gliding backwards at 4.6 m/s in 3.0 seconds. What is the average acceleration of the skater?

What is 4.3 meters per second squared backwards?

400
Motion of a car if the line on a distance-time graph is curving upward.
What is speeding up?
500

If a car is moving southeast and slowing down, what direction is its acceleration?

Northwest

500

Sharon walks 6 blocks North, 4 blocks East. What is her Displacement? Round to the tenths

7.2m North East
500

If a car goes 200 km North and 500 km South in 5 hours, what is the velocity of the car?

-60 km/h or 60 km/h South

500

My jetpack can accelerate upward at 3.2 m/s2. If I reach an upward velocity of 24.6 m/s in 5.3 seconds, how fast was I traveling at the start?

What is 7.64 m/s?

500

Motion of a car if the line on a velocity-time graph is a straight line with a negative slope?

What is slowing down? negative acceleration

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