Question

What is the relative velocity between two cars moving in the opposite direction with velocity 20m/s​

Answer 1

• V_A=V_B=20m/s

Both are moving opposite

$\\ \sf\ast\Rrightarrow R_{AB}=V_A-V_B$

$\\ \sf\ast\Rrightarrow R_{AB}=20-20$

$\\ \sf\ast\Rrightarrow R_{AB}=0m/s$