Question

3) Vector A is 2.8 cm at 60° above the positive x-axis. Vector B is 1.90 cm at 60° below the

positive x-axis. Use components to find the following:
a) A + B
b) A -B
c) B-A

Answer 1

a) A + B: 3.9 cm, 0°

b) A - B: 0.9 cm, 60°

c) B - A: 0.9 cm, 240°