Question

$v_f^2 = v_i^2 + 2ad$ what variable is this equation missing?
acceleration
displacement
final velocity
time

Explanation:

First, identify each variable in the kinematic equation $v_f^2 = v_i^2 + 2ad$:

• $v_f$ = final velocity
• $v_i$ = initial velocity
• $a$ = acceleration
• $d$ = displacement

Compare these to the options: acceleration, displacement, and final velocity are all present in the equation. Time (typically represented as $t$) does not appear in this formula.

Answer:

time