https://gall.dcinside.com/mgallery/board/view/?id=physics2&no=626128&page=1

ํฌ๋ฌผ์„  ๋ฌธ์ œ ์งˆ๋ฌธ๊ฐ€์†๋„ ๋ฐฉํ–ฅ๋งŒ ๊ตฌํ•ด์„œ A์†๋„ ๊ตฌํ•œ ๋‹ค์Œ A๋ž‘ v๋ฒกํ„ฐ ๋นผ์„œ B๊ตฌํ•˜๋‹ˆ๊นŒ ๋‹ต๋„ ์•ˆ๋งž๊ณ  ๊ณ„์‚ฐ๋Ÿ‰๋„ ๋„ˆ๋ฌด ๋งŽ์€๋ฐ ๊ดœ์ฐฎ์€ ํ’€์ด ์žˆ์œผ๋ฉด ์•Œ๋ ค์ฃผ์„ธ์š” ํ•ด์„ค์ง€๋„ ์—†์Œ - dc official Appgall.dcinside.com


์ด์ •๋„๋ฉด ๋ฌผ2์‘์‹œ ๊ฐ€๋Šฅํ•˜๋…ธ