Laboratorio física de traslación
Enviado por Emilio Lopez • 17 de Febrero de 2019 • Informes • 571 Palabras (3 Páginas) • 77 Visitas
Universidad San Francisco de Quito
Cinemática de Traslación
Laboratorio de Física I
Práctica No. 2
Emilio López (00134975)
Gabriel Torres
Cálculos y tareas
1) Con los datos obtenidos, realice gráficos de la Posición vs. Tiempo y de Velocidad final vs. Tiempo.
Figura 1. Gráfica Posición vs Tiempo
[pic 1]
Figura 2. Gráfica Velocidad final vs Tiempo.
[pic 2]
2) Utilizando los datos de rapidez instantánea final (Vf) y de tiempo (t), realice una regresión polinómica de primer orden con el método de mínimos cuadrados y encuentre la ecuación cinemática de la rapidez en función del tiempo.
) = [pic 3][pic 4]
A partir de la ecuación de regresión, determine los valores de rapidez inicial y aceleración a.[pic 5]
Tabla 1. Tabla de datos experimentales
x(cm) | t(s) | Vf (cm/s) | Vf*t | t^2 | t^3 | t^4 | x*t | x*t^2 | |
26 | 0.189 | 38.90 | 7.352 | 0.036 | 0.007 | 0.001 | 4.914 | 0.929 | |
28 | 0.234 | 40.50 | 9.477 | 0.055 | 0.013 | 0.003 | 6.552 | 1.533 | |
30 | 0.286 | 42.30 | 12.098 | 0.082 | 0.023 | 0.007 | 8.580 | 2.454 | |
32 | 0.334 | 43.90 | 14.663 | 0.112 | 0.037 | 0.012 | 10.688 | 3.570 | |
34 | 0.373 | 45.30 | 16.897 | 0.139 | 0.052 | 0.019 | 12.682 | 4.730 | |
36 | 0.461 | 48.10 | 22.174 | 0.213 | 0.098 | 0.045 | 16.596 | 7.651 | |
38 | 0.462 | 48.50 | 22.407 | 0.213 | 0.099 | 0.046 | 17.556 | 8.111 | |
40 | 0.505 | 51.40 | 25.957 | 0.255 | 0.129 | 0.065 | 20.200 | 10.201 | |
42 | 0.542 | 52.80 | 28.618 | 0.294 | 0.159 | 0.086 | 22.764 | 12.338 | |
44 | 0.581 | 54.40 | 31.606 | 0.338 | 0.196 | 0.114 | 25.564 | 14.853 | |
46 | 0.623 | 55.50 | 34.577 | 0.388 | 0.242 | 0.151 | 28.658 | 17.854 | |
48 | 0.656 | 56.50 | 37.064 | 0.430 | 0.282 | 0.185 | 31.488 | 20.656 | |
50 | 0.687 | 58.00 | 39.846 | 0.472 | 0.324 | 0.223 | 34.350 | 23.598 | |
52 | 0.730 | 59.50 | 43.435 | 0.533 | 0.389 | 0.284 | 37.960 | 27.711 | |
54 | 0.771 | 60.00 | 46.260 | 0.594 | 0.458 | 0.353 | 41.634 | 32.100 | |
56 | 0.801 | 60.60 | 48.541 | 0.642 | 0.514 | 0.412 | 44.856 | 35.930 | |
58 | 0.832 | 61.60 | 51.251 | 0.692 | 0.576 | 0.479 | 48.256 | 40.149 | |
60 | 0.868 | 62.90 | 54.597 | 0.753 | 0.654 | 0.568 | 52.080 | 45.205 | |
62 | 0.895 | 64.00 | 57.280 | 0.801 | 0.717 | 0.642 | 55.490 | 49.664 | |
64 | 0.925 | 65.20 | 60.310 | 0.856 | 0.791 | 0.732 | 59.200 | 54.760 | |
66 | 0.956 | 66.70 | 63.765 | 0.914 | 0.874 | 0.835 | 63.096 | 60.320 | |
68 | 0.989 | 67.50 | 66.758 | 0.978 | 0.967 | 0.957 | 67.252 | 66.512 | |
70 | 1.02 | 68.20 | 69.564 | 1.040 | 1.061 | 1.082 | 71.400 | 72.828 | |
72 | 1.051 | 69.60 | 73.150 | 1.105 | 1.161 | 1.220 | 75.672 | 79.531 | |
74 | 1.08 | 70.60 | 76.248 | 1.166 | 1.260 | 1.360 | 79.920 | 86.314 | |
76 | 1.105 | 71.50 | 79.008 | 1.221 | 1.349 | 1.491 | 83.980 | 92.798 | |
78 | 1.132 | 72.50 | 82.070 | 1.281 | 1.451 | 1.642 | 88.296 | 99.951 | |
80 | 1.161 | 73.60 | 85.450 | 1.348 | 1.565 | 1.817 | 92.880 | 107.834 | |
82 | 1.189 | 74.80 | 88.937 | 1.414 | 1.681 | 1.999 | 97.498 | 115.925 | |
84 | 1.216 | 75.50 | 91.808 | 1.479 | 1.798 | 2.186 | 102.144 | 124.207 | |
86 | 1.239 | 76.20 | 94.412 | 1.535 | 1.902 | 2.357 | 106.554 | 132.020 | |
88 | 1.268 | 77.30 | 98.016 | 1.608 | 2.039 | 2.585 | 111.584 | 141.489 | |
90 | 1.293 | 78.30 | 101.242 | 1.672 | 2.162 | 2.795 | 116.370 | 150.466 | |
92 | 1.318 | 79.20 | 104.386 | 1.737 | 2.290 | 3.018 | 121.256 | 159.815 | |
94 | 1.342 | 80.10 | 107.494 | 1.801 | 2.417 | 3.243 | 126.148 | 169.291 | |
96 | 1.373 | 80.90 | 111.076 | 1.885 | 2.588 | 3.554 | 131.808 | 180.972 | |
98 | 1.393 | 81.80 | 113.947 | 1.940 | 2.703 | 3.765 | 136.514 | 190.164 | |
100 | 1.423 | 82.70 | 117.682 | 2.025 | 2.881 | 4.100 | 142.300 | 202.493 | |
102 | 1.444 | 83.30 | 120.285 | 2.085 | 3.011 | 4.348 | 147.288 | 212.684 | |
104 | 1.468 | 84.40 | 123.899 | 2.155 | 3.164 | 4.644 | 152.672 | 224.122 | |
106 | 1.495 | 85.40 | 127.673 | 2.235 | 3.341 | 4.995 | 158.470 | 236.913 | |
108 | 1.514 | 86.30 | 130.658 | 2.292 | 3.470 | 5.254 | 163.512 | 247.557 | |
110 | 1.536 | 87.00 | 133.632 | 2.359 | 3.624 | 5.566 | 168.960 | 259.523 | |
112 | 1.561 | 87.60 | 136.744 | 2.437 | 3.804 | 5.938 | 174.832 | 272.913 | |
114 | 1.581 | 88.40 | 139.760 | 2.500 | 3.952 | 6.248 | 180.234 | 284.950 | |
116 | 1.601 | 89.60 | 143.450 | 2.563 | 4.104 | 6.570 | 185.716 | 297.331 | |
118 | 1.637 | 90.40 | 147.985 | 2.680 | 4.387 | 7.181 | 193.166 | 316.213 | |
120 | 1.65 | 91.30 | 150.645 | 2.723 | 4.492 | 7.412 | 198.000 | 326.700 | |
sumatoria | 3504 | 48.790 | 3290.600 | 3644.152 | 58.075 | 75.257 | 102.590 | 4117.590 | 5325.832 |
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