Show that if a particle moves from point with position vector to point with position…
PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Show that if a particle moves from point A with position vector r1=x1i^+y1j^ to point B with position vector r2=x2i^+y2j^, then the magnitude of its displacement is given by ∣Δr∣=(x2−x1)2+(y2−y1)2.