{
"cells": [
 {
		   "cell_type": "markdown",
	   "metadata": {},
	   "source": [
       "# Chapter 1: Basic Principles"
	   ]
	},
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.2: kinetic_energy.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc\n",
"// solution\n",
"\n",
"// initialization of variables\n",
"m=10 // mass in Kg\n",
"V=5 // velocity in m/s\n",
"\n",
"KE=m*V**2/2 // kinetic energy in N-m \n",
"printf('The Kinetic Energy is '+string(KE)+' N.m')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.3: density_and_specific_volume_is_asked.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc\n",
"// solution\n",
"\n",
"// initialization of variables\n",
"V=3*5*20 // Volume of air in m^3 from dimensions\n",
"m=350 // mass in kg\n",
"g=9.81 // gavitational acceleration in m/s^2\n",
"rho=m/V // density\n",
"printf('The Density is %.3f kg/m^3 \n',rho)\n",
"\n",
"v=1/rho // specific volume of air\n",
"printf(' The specific volume  is %.3f m^3/kg \n',v)\n",
"\n",
"gama=rho*g // specific weight of air\n",
"printf(' The specific weight is %.2f N/m^3',gama)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.4: absolute_pressure.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc\n",
"// solution\n",
"\n",
"// initialization of variables\n",
"h=0.020 // height of mercury in m\n",
"gammawater=9810 // specific weight of water in N/m^3\n",
"Patm=0.7846*101.3 // atmospheric pressure in kPa from table B.1\n",
"\n",
"Pgauge=13.6*gammawater*h/1000 // pressure in Pascal from condition gammaHg=13.6*gammawater\n",
"\n",
"P=(Pgauge+Patm)// absolute pressure in KPa\n",
"printf('The Pressure is %.2f kPa',P)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.5: Compression_in_spring.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc\n",
"// solution\n",
"\n",
"// initialization of variables\n",
"d=10/100 // diameter of cylinder in 'm'\n",
"P=600 // pressure in KPa\n",
"Patm=100 // atmospheric pressure in Kpa\n",
"K=4.8*1000 // spring constant in N/m \n",
"\n",
"deltax=(P-Patm)*(%pi*1000*d**2)/(4*K) // by balancing forces on piston\n",
"printf('The Compression in spring is %.3f m',deltax)"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.6: increase_in_kinetic_energy.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc\n",
"// solution\n",
"\n",
"// initialization of variables\n",
"ma=2200 // mass of Automobile 'a' in kg\n",
"va=25 //velocity of Automobile 'a' in m/s before collision\n",
"va1=13.89 // velocity of Automobile 'a' after collision in m/s\n",
"mb=1000 // mass of Automobile 'b' in kg\n",
"vb=24.44 //velocity of Automobile 'b' after collision in m/s\n",
"\n",
"KE1=(ma*va**2)/2 // kinetic energy before collision\n",
"KE2=(ma*va1**2)/2+(mb*vb**2)/2 // kinetic energy after collision\n",
"U=(KE1-KE2)/1000 // internal energy from conservation of energy principle in kJ\n",
"printf('The increase in kinetic energy is of %.1f kJ',U)"
   ]
   }
],
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		   "name": "scilab"
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		   "file_extension": ".sce",
		   "help_links": [
			{
			 "text": "MetaKernel Magics",
			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
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