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탄성이 클수록 반발력으로 충돌한 물체는 강하게 튕겨나갑니다
이중에 마음에드는 하체를 골라보시고 그의 탄성을 구해보시기 바랍니다
스프링 상수는 알아서 놓고 푸셔도 좋습니다
짤이 눈정화와 물갤정화에 도움이되었다 생각한다면 개추 부탁합니다

물리이야기
k = 스프링 상수
c = speed of light
우주 - open universe, flat universe, closed universe
E = mc^2
E = KE + PE = 0.5mvv + mgh