수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 조화롭지 않은 진동

디듀우 2019.10.01 08:28 조회 507

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

1. 수직선 위 어떤 점 P의 시간 t에 따른 좌표가 x(t)라고 하면 x''(t)=-kx(t) (단, k는 실수)이다. x(t)=?

2. 1에서 x''(t)=-k{x(t)}^2이면, x(t)=?

3. 1에서의 x(t)=f(t)라 하자. x''(t)=f(t)이면, x(t)=?

이전글 사탕 세트

다음글 부활의 수

이 문제 어떠셨나요?

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디듀우 Lv.7 2019.10.01 08:29

대표이미지 출처 Pixabay

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카카오매스 Lv.2 2019.10.09 01:30

x"(t)는 x(t)의 이계도함수인가요?

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- 디듀우 Lv.7 2019.11.09 01:42
  
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