Acceleration is described as changes in ________, changes in ___________, or both.
What are speed and direction?
100
Represented by the slope of the line on the distance-time graph.
What is speed?
200
The speed at which an object is traveling and the direction it is traveling.
What is velocity?
200
Of the following, the one that would be most practical for measuring the length of your finger.
kilometers
miles
centimeters
feet
What is centimeters?
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 in a straight line.
What is zero?
200
Motion of a car if the line on the distance-time graph is horizontal.
What is not moving?
300
The rate at which an object is moving at a given time.
What is instantaneous speed?
300
Oliver's total displacement if he drives 4 miles east from his house to pick up his friend Seamus, and then drives 2 more miles east to school.
What is 6 miles east?
300
The faster runner if Sarah runs 4 miles in 1 hour, and Mitko runs 2 miles in 20 minutes.
Who is Mitko?
300
The formula for calculating acceleration.
What is the change in velocity divided by the change in time?
300
Motion of a car if the line on a distance-time graph is a straight line going up from left to right.
What is moving at constant speed?
400
The ratio of the distance an object moves to the amount of time needed to travel the distance.
What is speed?
400
Alyssa's total displacement if she walks 2 blocks east to her friend Zoe's house, then 4 blocks west (past her own house) to her friend Matti's house.
What is 2 blocks west?
400
A train's average speed if it travels 120 kilometers in 2 hours.
What is 60 kilometers per hour?
400
The acceleration of a car traveling in a straight line 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
The direction from the starting point and the length of a straight line from the starting point to the ending point.
What is displacement?
500
Jack's total displacement if he walks 2 miles to the school in the morning, and then takes the short cut back home that is only 1 mile.
What is zero?
500
Shivam's average velocity if he jogs 22 km from Brunswick toward Bath in 1.2 hours?
What is 18.3 kilometers per hour East (or towards Bath)?
500
The acceleration of a race car on the straightaway that goes from a pace car speed of 400,000 kilometers per second to full speed of 900,000 kilometers per second in 10 seconds.
What is 50,000 kilometers per second squared?
500
Motion of a car if the line on a velocity-time graph is a straight line going down from left to right.