Week 9: S.5 Flashcards
1
Q
What convention is +ve x and y?
A
Positive x is to the left. Positive y is downward.
2
Q
What is the difference between an angle and a direction?
A
An angle is when two lines intersect. A direction is an angle measured clockwise from south.
3
Q
Is direction of BA the same as direction of AB?
A
No! Angle from different end point. 180 degrees difference.
4
Q
A
