Definitions
Velocity Stuff
Acceleration Stuff
Example Problems
Other
100
What is the distance an object moves from the starting point called?
Displacement
100
What unit is velocity measured in?
Meter per second
100
What unit is acceleration measured in?
Meter per second squared
100
If someone runs a full lap around a quarter mile track, what would their displacement be?
Zero
100
How is displacement different from distance?
Distance is the total area covered and displacement is the distance from the starting point.
200
What is a quantity having direction as well as magnitude?
Vector
200
What is the equation for velocity?
V=d/t
200
What is the equation for acceleration?
a=Vf-Vi/t
200
If a car starts at a stand still and travels for 10 seconds for a distance of 73m, what is the cars acceleration?
7.3 m/s
200
What kind of graph is used for velocity?
A distance vs time graph.
300
What is the speed of something in a given direction?
Velocity
300
What does it mean when you have a velocity of zero?
You aren't moving
300
When can you have zero acceleration? (Give two examples)
If the object has a constant velocity or is standing still.
300
How long does it take a car to travel 108m if the car is traveling at 8m/s?
13.5 seeconds
300
What kind of graph is used for acceleration?
A velocity vs time graph.
400
What is the increase of the rate of speed of an object?
Acceleration
400
In a distance vs time graph, what does the slope tell you?
The speed of the object in motion.
400
In a velocity vs time graph what does the slope tell you?
The objects acceleration
400
What is the velocity of a jet that travels 450 meters south in 5 seconds?
90m/s
400
What does a horizontal line mean in a velocity vs time graph?
The acceleration is zero.
500
What is the viewpoint or the person's perception of what is happening?
Frame of Reference
500
What is the difference between instantaneous and average velocity?
Instantaneous velocity is the velocity at a specific point in time and average velocity is the velocity over a time period.
500
What is the difference between instantaneous and average acceleration?
Instantaneous acceleration shows the acceleration at a certain point in time and average acceleration shows the ratio of change in velocity to time where velocity changes.
500

If someone walks 24m northeast and then 86m southeast in 46.2 seconds then what will there displacement be? Also what will their velocity be?

Their displacement is 62m, their velocity is 1.34 m/s.

500

in detail explain what a negative velocity of 20 m/s north means.

you are going 20 meters every second to the south

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