Ah, the displacement is the net area, so even when the line dips below, you subtract that area from the area above. But chumma, I kept thinking it was total distance for so long—I would just add everything up! Only when helping my daughter did I truly see the difference. It’s like my pension PIN; if I only remember parts of the number, the net result is zero access, not the total digits I tried!
#exams#study
Jump in to reply — no account needed.