钩码质量m/g | 0 | 10 | 20 | 30 | 40 | 50 |
弹簧总长度l/cm | 3.00 | 3.50 | 4.00 | 4.50 | 5.00 | 5.50 |
弹力大小F/N | 0 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 |
计数点 |
A |
B |
C |
D |
E |
t/s |
0.1 |
0.2 |
0.3 |
0.4 |
0.5 |
v/(m·s-1) |
0.781 |
0.980 |
1.18 |
1.38 |