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-{
- "metadata": {
- "name": "",
- "signature": "sha256:1d0e8ca0a27c4b0cb17e7318d009efc3241a84a31e3f27c8ca705f6cb5276ce4"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 02:Natural Soil Deposits and Subsoil Exploration"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex2.1:Pg-109"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#example 2.1\n",
- "import matplotlib.pyplot as plt\n",
- "import numpy\n",
- "import math\n",
- "Distance=[2.5,5,7.5,10,15,20,25,30,35,40,50];\n",
- "Time=(10**(-3))*numpy.array([11.2,23.3,33.5,42.4,50.9,57.2,64.4,68.6,71.1,72.1,75.5])\n",
- "#part1\n",
- "distance=5.25; # in meter\n",
- "time=23e-3; # in second\n",
- "v1=distance/time;\n",
- "print round(v1,2),\"is speed in m/s\"\n",
- "#part2\n",
- "distance=11; # in meter\n",
- "time=13.5e-3;# in second\n",
- "v2=distance/time;\n",
- "print round(v2,2),\" is speed in m/s\"\n",
- "#part3\n",
- "distance=14.75;# in meter\n",
- "time=3.5e-3;# in second\n",
- "v3=distance/time;\n",
- "print round(v3,2),\"speed in m/s\"\n",
- "plt.plot(Distance,Time);\n",
- "plt.title(\"distance vs time\")\n",
- "plt.xlabel(\"Distance in m\")\n",
- "plt.ylabel(\"time in s\")\n",
- "plt.show()\n",
- "#part4\n",
- "xc=10.4;\n",
- "Ta=65e-3;\n",
- "Z1=1/2.0*math.sqrt((v2-v1)/(v2+v1))*xc;\n",
- "print round(Z1,2),\" is thickness of layer 1 in m\"\n",
- "Z2=1/2.0*(Ta-2*Z1*math.sqrt(v3**2-v1**2)/v3/v1)*v3*v2/math.sqrt(v3**2-v2**2);\n",
- "print round(Z2,2),\" is thickness of layer 2 in m\"\n",
- "\n",
- "# the answers are slightly different in textbook due to approximation while here answers are precise"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "228.26 is speed in m/s\n",
- "814.81 is speed in m/s\n",
- "4214.29 speed in m/s\n",
- "3.9"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- " is thickness of layer 1 in m\n",
- "12.82 is thickness of layer 2 in m\n"
- ]
- }
- ],
- "prompt_number": 10
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file