Which of the following expressions gives the velocity of body A relative to body B?

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

Which of the following expressions gives the velocity of body A relative to body B? (a)

\vec v_B-\vec v_A

(b)

\vec v_A-\vec v_B

(c)

\vec v_A+\vec v_B

(d)

\dfrac{\vec v_A+\vec v_B}{2}