碰撞实验数据处理
- 测量滑块在导轨上阻力的数量级 (滑块质量m=183.5g)
v10 (cm/s) |
v11 (cm/s) |
v20 (cm/s) |
v21 (cm/s) |
p1 (kg*cm/s) |
p2 (kg*cm/s) |
E1 (*102J) |
E2 (*102J) |
p(kg*cm/s) |
E(*102J) |
p/p1 |
E/E1 |
e |
112.23 |
43.74 |
25.43 |
59.99 |
11.92 |
12.30 |
12.61 |
7.84 |
0.38 |
4.77 |
3.18% |
37.85% |
0.19 |
83.08 |
34.91 |
26.99 |
38.94 |
6.06 |
6.79 |
7.54 |
3.68 |
0.73 |
3.86 |
12.05% |
51.22% |
0.07 |
92.68 |
48.06 |
31.09 |
42.78 |
6.43 |
5.69 |
9.49 |
5.21 |
0.74 |
4.28 |
11.57% |
45.12% |
-0.09 |
92.39 |
53.05 |
35.93 |
42.07 |
4.74 |
4.53 |
9.99 |
5.57 |
0.21 |
4.42 |
4.34% |
44.26% |
-0.19 |
93.08 |
57.67 |
40.50 |
40.20 |
3.32 |
3.06 |
10.70 |
5.78 |
0.26 |
4.92 |
7.93% |
46.01% |
-0.33 |
89.79 |
51.64 |
32.39 |
41.79 |
5.46 |
4.70 |
9.15 |
5.39 |
0.77 |
3.75 |
14.01% |
41.04% |
-0.17 |
- 完全弹性碰撞数据记录表 (滑块质量m1=183.5g,m2=338.4g)
v10 (cm/s) |
v11 (cm/s) |
v20 (cm/s) |
v21 (cm/s) |
p1 (kg*cm/s) |
p2 (kg*cm/s) |
E1 (*102J) |
E2 (*102J) |
p(kg*cm/s) |
E(*102J) |
p/p1 |
E/E1 |
e |
112.23 |
43.74 |
25.43 |
59.99 |
11.92 |
12.30 |
12.61 |
7.84 |
0.38 |
4.77 |
3.18% |
37.85% |
0.19 |
83.08 |
34.91 |
26.99 |
38.94 |
6.06 |
6.79 |
7.54 |
3.68 |
0.73 |
3.86 |
12.05% |
51.22% |
0.07 |
92.68 |
48.06 |
31.09 |
42.78 |
6.43 |
5.69 |
9.49 |
5.21 |
0.74 |
4.28 |
11.57% |
45.12% |
-0.09 |
92.39 |
53.05 |
35.93 |
42.07 |
4.74 |
4.53 |
9.99 |
5.57 |
0.21 |
4.42 |
4.34% |
44.26% |
-0.19 |
93.08 |
57.67 |
40.50 |
40.20 |
3.32 |
3.06 |
10.70 |
5.78 |
0.26 |
4.92 |
7.93% |
46.01% |
-0.33 |
89.79 |
51.64 |
32.39 |
41.79 |
5.46 |
4.70 |
9.15 |
5.39 |
0.77 |
3.75 |
14.01% |
41.04% |
-0.17 |
\[e = \frac{v_{21} - v_{11}}{v_{10} - v_{20}},实验数据并不理想,动能损失偏大,但动量损失在可以接受的范围内。\]
- 完全非弹性碰撞数据记录表 (滑块质量m1=183.5g,m2=338.4g)
v10 (cm/s) |
v11 (cm/s) |
v20 (cm/s) |
p1 (kg*cm/s) |
p2 (kg*cm/s) |
E1 (*102J) |
E2 (*102J) |
p(kg*cm/s) |
E(*102J) |
p/p1 |
E/E1 |
e |
38.76 |
56.14 |
7.98 |
0.26 |
0.04 |
6.71 |
2.99 |
0.22 |
3.72 |
84.05% |
55.42% |
0 |
29.24 |
51.12 |
22.83 |
0.23 |
0.12 |
5.20 |
3.27 |
0.11 |
1.93 |
47.45% |
37.12% |
0 |
36.12 |
54.46 |
12.89 |
0.25 |
0.07 |
6.21 |
2.99 |
0.18 |
3.22 |
73.16% |
51.81% |
0 |
39.02 |
50.33 |
14.72 |
0.24 |
0.08 |
5.68 |
2.68 |
0.16 |
3.00 |
68.25% |
52.75% |
0 |
23.17 |
56.53 |
17.77 |
0.23 |
0.09 |
5.90 |
3.46 |
0.14 |
2.44 |
60.36% |
41.39% |
0 |
29.83 |
51.70 |
12.64 |
0.23 |
0.07 |
5.34 |
2.71 |
0.16 |
2.62 |
71.29% |
49.13% |
0 |
最后两滑块在一起运动,即v21=v11,∴e=0,实验数据并不理想,动量损失较大,动能损失过少。