Practica de laboratorio

Universidad Tecnológica De México

Segunda ley de newton

Carlos Chávez Ponce
Jesús Martínez Gutiérrez
Jorge Gómez Arzate

# Maquina | # Masa | X(cm) | t(s) | t(s) | t(s) | Promedio | t=y | t2=y | xy |
1 pesa de 50gr. | carro 1 | 50 | 0.1527 s | 0.1404 s | 0.1213 s | 0.1381 s | 0.0190 s | 0.0190 s | 6.905 |
| | 55 | 0.1797 s | 0.1620 s | 0.1979 s | 0.1798 s | 0.0323 s | 0.0323 s |9.889 |
| | 60 | 0.2120 s | 0.3145 s | 0.2706 s | 0.2657 s | 0.0705 s | 0.0705 s | 4.230  |
| | 65 | 0.1623 s | 0.1433 s | 0.2368 s | 0.1808 s | 0.0326 s | 0.0326 s | 2.119 |
| | 70 | 0.2674 s | 0.2371 s | 0.2740 s | 0.2595 s | 0.0673 s | 0.0673 s |  4.711 |
| | 75 | 0.3227 s | 0.3466 s | 0.3546 s | 0.3413 s | 0.1166 s | 0.1166 s |  8.745 |
| carro 2 | 50 | 0.1237 s | 0.1376 s |0.1279 s | 0.1297 s | 0.0168 s | 0.0168 s |  0.840 |
| | 55 | 0.1769 s | 0.1673 s | 0.1976 s | 0.1806 s | 0.0326 s | 0.0326 s |  1.793 |
| | 60 | 0.2976 s | 0.2797 s | 0.1972 s | 0.2581 s | 0.0666 s | 0.0666 s | 4.230  |
| | 65 | 0.2639 s | 0.2134 s | 0.2974 s | 0.2582 s | 0.0666 s | 0.0666 s | 2.119 |
| | 70 | 0.2797 s | 0.2879 s | 0.2974 s | 0.2883 s | 0.0831 s | 0.0831 s | 4.711 |
| | 75 | 0.3779 s | 0.3743 s | 0.3976 s | 0.3832 s | 0.1468 s | 0.1468 s |  8.745 |
2 pesa de 100gr. | carro 1 | 50 | 0.1521 s | 0.1396 s | 0.1257 s | 0.1391 s | 0.0193 s | 0.0193 s |  0.840 |
| | 55 | 0.2088 s | 0.2771 s | 0.2712 s | 0.2523 s | 0.0636 s | 0.0636 s |  1.793 |
| | 60 | 0.2220 s | 0.2275 s | 0.2176 s | 0.2223 s | 0.0494 s | 0.0494 s | 4.230  |
| | 65 | 0.2716 s| 0.2289 s | 0.1984 s | 0.2329 s | 0.0542 s | 0.0542 s | 2.119 |
| | 70 | 0.2722s | 0.2400s | 0.2523 s | 0.2548 s | 0.0649 s | 0.0649 s |  4.711 |
| | 75 | 0.3053 s | 0.3057 s | 0.3004 s | 0.3038 s | 0.0922 s | 0.0922 s |  8.745 |
| carro 2 | 50 | 0.1764 s | 0.1876 s | 0.1797 s | 0.1812 s | 0.0328 s | 0.0328 s |  0.840 |
| | 55 | 0.2478 s | 0.2476 s | 0.2798 s | 0.2584 s | 0.0667 s| 0.0667 s |  1.793 |
| | 60 | 0.2376 s | 0.2374 s | 0.2897 s | 0.2549 s | 0.0649 s | 0.0649 s | 4.230  |
| | 65 | 0.2345 s | 0.2678s | 0.2897 s | 0.2640 s | 0.0696 s | 0.0696 s | 2.119 |
| | 70 | 0.2797 s | 0.2943 s | 0.2987 s | 0.2909 s | 0.0846 s | 0.0846 s | 4.230  |
| | 75 | 0.3879 s | 0.3977 s | 0.3789 s | 0.3881 s | 0.1506 s | 0.1506 s | 2.119 |
3 pesa de 150gr. | carro 1| 50 | 0.1256 s | 0.1262 s | 0.1440 s | 0.1319 s | 0.0173 s | 0.0173 s |  4.711 |
| | 55 | 0.1188 s | 0.1278 s | 0.1597 s | 0.1354 s | 0.0183 s | 0.0183 s |  8.745 |
| | 60 | 0.2603 s | 0.2482 s | 0.2409 s | 0.2498 s | 0.0624 s | 0.0624 s |  0.840 |
| | 65 | 0.2382 s | 0.2083 s | 0.2481 s | 0.2315 s | 0.0535 s | 0.0535 s |  1.793 |
| | 70 | 0.1925 s | 0.2357 s | 0.2359 s | 0.2213s | 0.0489 s | 0.0489 s | 4.230  |
| | 75 | 0.3455 s | 0.3359 s | 0.3259 s | 0.3357 s | 0.1126 s | 0.1126 s | 3.254 |
| carro 2 | 50 | 0.1234 s | 0.1347 s | 0.1797 s | 0.1459 s | 0.0212 s | 0.0212 s | 2.119 |
| | 55 | 0.1379 s | 0.1973 s | 0.1974 s | 0.1775 s | 0.0315 s | 0.0315 s |  4.711 |
| | 60 | 0.2479 s | 0.2597 s | 0.2297 s | 0.2457 s | 0.0603 s | 0.0603 s |  8.745 |
| |65 | 0.2679 s | 0.2743 s | 0.2749 s | 0.2723 s | 0.0741 s | 0.0741 s |  1.840 |
| | 70 | 0.2343 s | 0.2397 s | 0.2374 s | 0.2371 s | 0.0562 s | 0.0562 s |  1.791 |
| | 75 | 0.3457 s | 0.3797 s | 0.3747 s | 0.3667 s | 0.1344 s | 0.1344 s | 4.240  |
| |  ∑x=2250 |   |   |   |   |   |  ∑y=2.1529 |  ∑xy=32.762 |
 ∑x2=50625m=xy-nxy(x)2-nx2=22502.1529-36(32.762)22502-36(50625)=.001131

b=xy-mx2x=32.762-(.001131)(50625)2250=-0.01088

  | 150g | 500g | 600g | 650g |
t1 | 1.8105 s | 0.4669 s | 0.4258 s | 0.3767 s |
t2 | 1.6400 s | 0.4609 s | 0.4176 s | 0.3497 s |
t3 | 1.6132 s | 0.4477 s | 0.4134 s | 0.3749 s |
t4 | 1.6365 s | 0.4586 s | 0.4262 s | 0.3297 s |
t5 | 1.8969 s | 0.4560 s | 0.4376 s | 0.3797 s |
prom | 1.71942 s |...