Speed vs. Velocity
What type of speed is shown on a car’s speedometer?
Instantaneous Speed
Which term describes how far an object travels along its path?
Distance
What is acceleration a measure of?
Change in velocity over time
What does the slope of a distance vs. time graph represent?
Speed or Velocity
What equation is used to calculate speed?
Speed = distance ÷ time
Which quantity must include both speed and direction?
Velocity
Which term describes the change in position including direction?
Displacement
Slowing down is an example of what type of acceleration
Negative
What does the slope of a velocity vs. time graph represent?
Acceleration
If an object travels 454 km in 2 hours, what is its average speed?
227 km/hr
3 m/s north is an example of what quantity?
Velocity
If a runner ends a race at their starting point, what is their displacement?
0
Changing direction at constant speed still causes what?
Acceleration
A horizontal line on a distance vs. time graph means the object is doing what?
Not moving
A runner covers 10 km in 40 minutes. What is the average speed?
0.25 km/min
A car moves at 45 mi/hr around a wide turn. Which quantity remains constant?
Speed
If you travel away from a point and return, your distance is _____ your displacement.
Greater than
What does zero acceleration indicate about an object’s motion?
Constant velocity or at rest
A straight diagonal line on a distance vs. time graph shows what type of motion?
Constant speed
If velocity increases over time, what must the acceleration be (positive or negative)?
positive
T/F An object have a constant speed but changing velocity?
True
A person walks 3 miles north, then 2 miles east. Which is greater, distance or displacement?
Distance
A carousel rider is accelerating because of a change in what?
Direction
On a velocity vs. time graph, which line shows the greatest acceleration?
If I'm driving at 60 km/hr, and I drive at a constant rate for 1.5 hours, how far will I drive?
90 km