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Function: driver
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Function: get_footer
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Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [물리]물리 고수들 이거 풀어보세요
여백 패르마
2020.07.17 20:19
조회 675
질량이 m인 물체가 반지름이 R인, 고정된 반원형태의(즉, 알파벳 O를 세로로 자른 형태의) 트렉의 바닥에서 속도 v로 움직였다. 슬프게도 속도 v는 적당하지 않아 중간에 이탈하고 말았다.
1. 이탈할 조건을 구하시오.
2. 이탈했을 때, 이탈위치와 시작위치 사이의 각도를 수식으로 구하시오(이때, 각도의 기준은 트랙의 중심이다.즉, 내가 말한 각도는 각 (이탈위치, 트랙의 중심, 시작위치)이다.)
(모든 저항 무시, 중력가속도는 g)
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외계파이
Lv.4
2020.07.17 21:13
이런 수학이 아닌 과학문제도 여기 올려도 되나요?
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켋
Lv.7
2020.07.17 21:19
좋아요0
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전자기역학
Lv.8
2020.07.17 21:29
비밀댓글
비밀 댓글이 등록 되었습니다.
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리프
Lv.7
2020.07.17 23:58
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으앗! 구했는데 올릴 수가 없어요! 왜 수식이 오류가 뜨지...? 내일 올릴게요;;
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