수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [대수]바닥과의 충돌

전자기역학 2020.08.23 20:40 조회 435

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

바닥이 사인곡선 형태로 생겼다 하자. ( $heta$ , 2)에서 공이 하나 아래로 v의 속력으로 쏘아진다. 이때, 이 공은 반사의 법칙을 만족하며 완전탄성 충돌을 한다 가정하면, 이 공이 날아가는 각도와, 이 공이 다시 바닥과 충돌하지 않을 $heta$ 의 조건을 구하여라.(풀이 필수)

여기서 중력가속도는 없다 가정합니다

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