Speed and Velocity
This is measured by your car's speedometer.
What is instantaneous speed?
Motion of a car if the line on the distance-time graph is horizontal.
What is not moving?
The rate at which an object is moving at a given time.
What is instantaneous speed?
Of the following, the one that would be most practical for measuring the length of your finger. kilometers miles centimeters feet
What is centimeters?
Acceleration is described as changes in ________, changes in ___________, or both.
What are speed and direction?
The faster runner if Bo runs 4 miles in 1 hour, and Mo runs 2 miles in 20 minutes.
Who is Mo?
Motion of a car if the line on the distance-time graph is a straight line going up.
What is moving at constant speed?
The speed at which an object is traveling and the direction it is traveling.
What is velocity?
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?
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?
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?
Motion of a car if the line on a distance-time graph is a straight line going down.
What is moving at constant speed?
The direction from the starting point and the length of a straight line from the starting point to the ending point.
What is displacement?
Monique's total displacement if she walks 2 blocks east to her friend Carla's house, then 4 blocks west (past her own house) to her friend Kate's house.
What is 2 blocks?
The acceleration of a bus moving at a constant speed of 50 miles per hour.
What is zero?
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?
Motion of a car if the line on a distance-time graph is curving upward.
What is speeding up?
The rate at which velocity changes.
What is acceleration?
A system of objects that are not moving with respect to one another.
What is a frame of reference?
The formula for calculating acceleration.
What is the change in velocity divided by the total time?
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?
Motion of a car if the line on a velocity-time graph is a straight line down.
What is slowing down?
The ratio of the distance an object moves to the amount of time needed to travel the distance.
What is speed?
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?
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?