Question
Vector u has a magnitude of 5 units, and vector v has a magnitude of 4 units. Which of these values are possible for the magnitude of u + v?
There is more than one answer...
1
9
11
13
There is more than one answer...
1
9
11
13
Answers
Steve
hey are just sides of a (possible degenerate) triangle, so
5-4 <= |u+v| <= 5+4
5-4 <= |u+v| <= 5+4