which equation best describes the law of conservation of momentum?\n$p_i = p_f$\n$p_i > p_f$\n$p_i <…

which equation best describes the law of conservation of momentum?\n$p_i = p_f$\n$p_i > p_f$\n$p_i < p_f$\n$p_i + p_f = 0$
Answer
Brief Explanations:
The law of conservation of momentum states initial momentum ($p_i$) equals final momentum ($p_f$).
Answer:
$p_i = p_f$