Chapter 19 Flashcards
(8 cards)
1
Q
What is the particle model?
A
Model which assumes an object occupies a single point in space and will move like one as well.
2
Q
What is a straight line model?
A
Modelling distance as a straight line. If not aprropriate, try circle model or vectors.
3
Q
What is the equation for average speed?
A
Total distance/time.
4
Q
What is the equation for average velocity?
A
Final - intial displacement/time
5
Q
Why average?
A
Can’t find speed at a particular point.
6
Q
What is acceleration?
A
Rate of change of velocity.
7
Q
What values are scalar?
A
Time, distance, speed, magnitude of acceleration.
8
Q
What values are vectors?
A
Displacement, velocity, acceleration.
