44 lines
1.0 KiB
Dart
44 lines
1.0 KiB
Dart
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import 'package:flutter/material.dart';
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class Calculate {
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static const num _gravity = 9.807;
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static const num _waterHeatCapacityBoil = 335200;// heat the water to 80 degrees with a heat capacity of 4190 Joule
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static const num _ironHeatCapacityGlow = 340000;// heat the iron to 680 degrees with a heat capacity of 500 Joule
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final num _v1, _v2, _h1, _h2, _m;
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Calculate( this._v1, this._v2, this. _h1, this._h2, this._m);
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calculateLWater() {
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num e = _calculateEKin() + _calculateEPot();
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num lWater = e/_waterHeatCapacityBoil;
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return lWater;
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}
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calculateKgIron(){
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num e = _calculateEKin() + _calculateEPot();
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num kgIron = e/_ironHeatCapacityGlow;
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return kgIron;
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}
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calculateJoule(){
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return _calculateEKin() + _calculateEPot();
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}
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_calculateEPot(){
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num h = _h2 - _h1;
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num ePot = _m * _gravity * h;
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return ePot;
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}
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_calculateEKin(){
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num v = _v2 - _v1;
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num eKin = (_m*v*v)/2;
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return eKin;
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}
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}
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