序号 |
扇叶宽度/cm |
扇叶长度/cm |
扇叶倾斜角度θ |
纸片被吹起的角度α |
1 |
3 |
7 |
30° |
30° |
2 |
2 |
7 |
30° |
20° |
3 |
3 |
4 |
30° |
20° |
4 |
3 |
7 |
45° |
40° |