수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [창의]공 굴리기

space 2020.08.30 19:05 조회 463

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

쇠 공과 고무 공, 나무 공이 있다

셋의 부피는 같고, 무게는 쇠:200g, 나무:135g, 고무:70g이다

공을 서로 부딪히면

무거운 것이 (무거운 것-가벼운 것)÷2cm만큼 밀려나고, 가벼운 건 (무거운 것-가벼운 것)cm만큼 밀려난다

그럼 쇠, 나무, 고무 순으로 세워 놀 때, 고무는 몇cm만큼 밀려날까?

이전글 [추리]책 읽기

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