포사체운동
- 최초 등록일
- 2010.12.29
- 최종 저작일
- 2006.01
- 7페이지/ MS 워드
- 가격 1,000원
소개글
Projectile Motion is one of the most general motions of nature. We can see anything of them again and again. For example, all kind of ball movement is projectile motion. So, we can say that there is enough value to make a experiment. The Purpose of this experiment is researching projectile motion and measuring some quantities.
목차
1. 서론
2. 이론
3. 실험방법
4. 실험기구
5. 결과 및 토의
6. 결론
본문내용
Slope of graph: 0.2061
Calculated initial speed of the ball by slope: 4.88m per s
Time of flight: 0.25s
Calculated initial speed of the ball by any data: 4.85m per s
Percent difference: 0.6%
The line between horizontal square value and vertical value should be straight because of this formula.
,
Also, we can know 3 values of 4 measurements of initial speed are almost same. (Except using photogates) It means not the error by air resistance, but our experimental error. Error between that and real range (Ex2) means that, too. However, other experiments show us results fit in all situations.
6. 결론
We succeeded measuring the initial velocity of the launched ball, but in case of using photogates, result did not fit in situation. Other three results are fit in situation, and specially, two values of using projectile path is exactly fit each other. Also, we confirmed the influence of air resistance, but it is not so large.
참고 자료
Handout (0312)