U1L3 - Speed VS Velocity Flashcards
1
Q
Describe speed (V avg)
A
It is a scalar quantity that refers to “how fast an object is moving”. It is DISTANCE per time.
2
Q
Formula for speed
A
V avg = change in D/change in T
3
Q
What is the difference between average speed and instantaneous speed?
A
Average speed is the average of all instantaneous speeds during a trip whereas the other is speed @ any instant in time.
4
Q
What is velocity (V>)?
A
It is a vector quantity that shows us the rate at which an object changes its position. It is DISPLACEMENT per time.
5
Q
Formula for velocity
A
V> = change in D>/ change in T
