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Function: get_footer

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Function: require_once

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[문장제 문제&개념응용] 첫 개념응용 문제:1000조 m짜리 행성
비우스 2022.02.15 01:21 조회 235
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

지름이 1000조 미터이고 질량이 3000조 킬로그램인 행성이 있다.(이정도면 중력 때문에 터질거 같은데)이 행성의 둘레에 밧줄을 두르려고 한다.밧줄의 길이는(이게 문제면 단문이죠.)약 3141조 미터가 되는데,이제 문.제!이 행성에서 밧줄을 행성에서 2미터(2미터나!!!!)띄워서 두르려고 한다.과연 밧줄은 얼마나 더 필요할까?(단,파이값은 3.14로 한다.)

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