displacement - the difference between the initial position and final position of an object, two dimensions - using two step directions to describe a position, motion - the change in position, position - reference point, distance and direction, reference point - starting point, distance - the total length of the path an object travels,

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?