Relative Velocity of Two Objects (2D)
Object A (red)
x₀
y₀
vx
vy
Object B (blue)
x₀
y₀
vx
vy
Time
Duration T
Apply
Play
Reset
Speed
0.5×
1×
2×
4×
Hollow circle = start (t = 0), filled circle = current position, solid line = path so far, faint line = full path, arrow = velocity in that frame.