수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 두개의 촛불

MathlabJ 2020.04.15 19:12 조회 485

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

원기둥 모양의 초 A, B가 있다.

A는 밑면의 반지름이 B의 2배이고, B는 높이가 A의 2배이다.

두 초에 동시에 불을 붙였을때,

A가 모두 타는 시간=t_a

B가 모두 타는 시간=t_b 라고 할때,

t_a/t_b 의 값은 얼마일까?

풀이과정과 답을 구해보자.

이전글 문제

다음글 7의 저주

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