Contests

## Important Notes This is a 30-minute individual competition. Please submit your answers for each problem within the time limit. ### Difficulty Level The difficulty of this contest is comparable to the Gnit Beginner Open (GBO). While primarily aimed at junior high and high school students, anyone is welcome to participate. ### Answers * Please submit your answers in the format specified in the problem statement. * Gnit uses exact-match checking based on natural numbers; therefore, alternative answers resulting from different rounding methods are not accepted. * Although values ​​in physics are sometimes rounded to match significant figures, please do not round intermediate calculations or final results in this contest unless specifically instructed to do so. * You may submit answers up to 10 times per problem. Submissions beyond the 10th attempt will not be accepted. * Numerical values ​​may be intentionally complex to prevent guessing the correct answer by substituting arbitrary values. The use of a calculator is strongly recommended. ### Permitted Items * Calculator * Scratch paper ### Prohibited Actions The following actions are prohibited: * Using generative AI tools * Consulting textbooks, reference materials, or web searches for solutions * Consulting others * Sharing solutions, hints, or answers with others * Participating via multiple accounts, impersonation, or other dishonest means If any misconduct is discovered, your results may be invalidated in accordance with the Terms of Service. ### About This Contest This is the "Beginner" edition of the Gnit Weekly Challenge, held every Wednesday. The contest consists of four problems, with a maximum difficulty level of **5** for the Gnit Weekly Challenge Beginner series. We hope you use this contest for review or as a warm-up. ### Rated / Unrated Status This is an unrated contest. ### Problem Creators * admin02

- Time limit: 90 minutes. This is an individual contest. - **Target**: This contest is designed for those who have mastered high school physics and beyond. It includes university-level topics, but anyone is welcome to participate. - **OK to use**: Textbooks, reference books, calculators, and scratch paper. - **Not allowed**: AI tools, Web search, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.

### This contest is classified as unofficial due to a configuration error regarding the modification of problem slugs. #### It has now been corrected to the right problem. - This contest is a 30-minute individual competition. - **Target**: This contest is slightly easier than GBO and is primarily aimed at junior and senior high school students (junior high school physics, basic high school physics). Anyone can participate, including university students and working adults. - **OK to use**: Use of calculators and scratch paper. - **Not allowed**: Use of generation AI tools, cheating by referring to textbooks or web searches, consulting with others or sharing solutions. - *If cheating is discovered, scores will be invalidated according to the terms of service.* - *To prevent correct answers by substituting arbitrary values, the numbers may be intentionally made complex. **We strongly recommend using a calculator.**

- Time limit: 60 minutes. This is an individual contest. - **Target**: This contest is at a basic level designed for junior high and high school students, but anyone is welcome to participate (including university students and adults). - **OK to use**: Calculators, scratch paper. - **Not allowed**: AI tools, Web search, Textbooks, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.

- Time limit: 90 minutes. This is an individual contest. - **OK to use**: Calculators, scratch paper. - **Not allowed**: AI tools, Web search, Textbooks, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.

- Time limit: 90 minutes. This is an individual contest. - **OK to use**: Calculators, scratch paper. - **Not allowed**: AI tools, Web search, Textbooks, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.

- Time limit: 60 minutes. This is an individual contest. - **Target**: This contest is designed for those who have mastered high school physics and beyond. It includes university-level topics, but anyone is welcome to participate. - **OK to use**: Textbooks, reference books, calculators, and scratch paper. - **Not allowed**: AI tools, Web search, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.

- Time limit: 60 minutes. This is an individual contest. - **Target**: This contest is at a basic level designed for junior high and high school students, but anyone is welcome to participate (including university students and adults). - **OK to use**: Calculators, scratch paper. - **Not allowed**: AI tools, Web search, Textbooks, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.

- Time limit: 90 minutes. This is an individual contest. - **OK to use**: Calculators, scratch paper. - **Not allowed**: AI tools, Web search, Textbooks, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.

- Time limit: 90 minutes. This is an individual contest. - **OK to use**: Calculators, scratch paper. - **Not allowed**: AI tools, Web search, Textbooks, or talking with others. - Cheating will make your score invalid. - **Note**: The calculations are complex. **Please use a calculator**.