uhhhh
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2470b9b1b8
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4 changed files with 97 additions and 78 deletions
2
Makefile
2
Makefile
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@ -1,5 +1,5 @@
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TARGET = L1A
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TARGET = L1A
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SRC_FILES = main.cpp
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SRC_FILES = main.cpp math.cpp
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# NO EDITS BELOW THIS LINE
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# NO EDITS BELOW THIS LINE
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CXX = g++
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CXX = g++
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94
main.cpp
94
main.cpp
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@ -9,67 +9,10 @@
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* explicitly respond with a 0 or CTRL+C it, rather than just exit once the
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* explicitly respond with a 0 or CTRL+C it, rather than just exit once the
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* equation is calculated.
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* equation is calculated.
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*/
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*/
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#include "math.h"
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#include <iostream>
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#include <iostream>
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#include <limits>
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#include <cmath>
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double const MOLAR_GAS_CONSTANT = 8.314'462'618'153'24;
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double const GRAVITATIONAL_CONSTANT = 0.000'000'000'066'740'8;
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double const SPHERE_VOLUME_RATIO = 4.0 / 3;
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double const VACUUM_PERMITTIVITY = 0.000'000'000'008'854'187'818'8;
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double ideal_gas_law(double moles, double gas_absolute_temperature,
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double volume) {
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return (moles * MOLAR_GAS_CONSTANT * gas_absolute_temperature) / volume;
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}
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double average_acceleration(double pos_start, double pos_end, double time_start,
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double time_end) {
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return (pos_end - pos_start) / std::pow(time_end - time_start, 2);
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}
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double ohms_law(double voltage, double resistance) {
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return voltage / resistance;
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}
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double universal_gravitation(double mass_one, double mass_two,
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double distance) {
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return GRAVITATIONAL_CONSTANT *
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((mass_one * mass_two) / std::pow(distance, 2));
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}
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double pythagorean_theorem(double x, double y) {
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return std::sqrt(std::pow(x, 2) + std::pow(y, 2));
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}
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double sphere_volume(double radius) {
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return SPHERE_VOLUME_RATIO * M_PI * std::pow(radius, 3);
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}
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double deflection(double weight, double length, double elasticity_modulus,
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double moment_of_inertia) {
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return (weight * std::pow(length, 3)) /
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(3 * elasticity_modulus * moment_of_inertia);
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}
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double heat_transfer_rate(double transfer_coefficient, double surface_area,
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double temperature_change) {
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return transfer_coefficient * surface_area * temperature_change;
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}
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double stress(double force, double area) { return force / area; }
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double shear_stress(double sigma_x, double sigma_y, double tau_xy,
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double theta) {
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return -0.5 * (sigma_x - sigma_y) * sin(2 * theta) + tau_xy * cos(2 * theta);
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}
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double coulombs_law(double charge_1, double charge_2,
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double relative_static_permittivity, double distance) {
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return std::fabs(charge_1 * charge_2) /
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(4 * M_PI * VACUUM_PERMITTIVITY * relative_static_permittivity *
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std::pow(distance, 2));
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}
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double input_double(std::string prompt) {
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double input_double(std::string prompt) {
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double out;
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double out;
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@ -107,73 +50,72 @@ int main() {
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<< "[9] Stress" << std::endl
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<< "[9] Stress" << std::endl
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<< "[10] Shear Stress" << std::endl
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<< "[10] Shear Stress" << std::endl
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<< "[11] Coulomb's law" << std::endl;
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<< "[11] Coulomb's law" << std::endl;
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int equation_choice =
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int equationChoice =
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input_double("Which equation would you like to calculate?");
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input_double("Which equation would you like to calculate?");
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double calculated_value;
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double calculatedValue;
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switch (equation_choice) {
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switch (equationChoice) {
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case 0:
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case 0:
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return 0;
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return 0;
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case 1:
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case 1:
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calculated_value = ideal_gas_law(
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calculatedValue = ideal_gas_law(
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input_double("Please enter amount of moles"),
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input_double("Please enter amount of moles"),
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input_double("Please enter the gas absolute temperate"),
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input_double("Please enter the gas absolute temperate"),
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input_double("Please enter the volume"));
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input_double("Please enter the volume"));
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break;
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break;
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case 2:
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case 2:
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calculated_value = average_acceleration(
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calculatedValue = average_acceleration(
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input_double("Please enter the starting position"),
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input_double("Please enter the starting position"),
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input_double("Please enter the ending position"),
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input_double("Please enter the ending position"),
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input_double("Please enter the starting time"),
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input_double("Please enter the starting time"),
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input_double("Please enter the ending time"));
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input_double("Please enter the ending time"));
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break;
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break;
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case 3:
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case 3:
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calculated_value =
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calculatedValue = ohms_law(input_double("Please input the voltage"),
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ohms_law(input_double("Please input the voltage"),
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input_double("Please input the resistance"));
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input_double("Please input the resistance"));
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break;
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break;
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case 4:
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case 4:
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calculated_value = universal_gravitation(
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calculatedValue = universal_gravitation(
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input_double("Please input the mass of object 1"),
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input_double("Please input the mass of object 1"),
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input_double("Please input the mass of object 2"),
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input_double("Please input the mass of object 2"),
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input_double("Please input the distance between objects"));
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input_double("Please input the distance between objects"));
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break;
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break;
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case 5:
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case 5:
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calculated_value =
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calculatedValue =
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pythagorean_theorem(input_double("Please input the x distance"),
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pythagorean_theorem(input_double("Please input the x distance"),
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input_double("Please input the y distance"));
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input_double("Please input the y distance"));
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break;
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break;
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case 6:
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case 6:
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calculated_value =
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calculatedValue =
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sphere_volume(input_double("Please input the sphere radius"));
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sphere_volume(input_double("Please input the sphere radius"));
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break;
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break;
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case 7:
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case 7:
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calculated_value =
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calculatedValue =
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deflection(input_double("Please input the force of weight"),
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deflection(input_double("Please input the force of weight"),
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input_double("Please input the length"),
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input_double("Please input the length"),
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input_double("Please input the elasticity modulus"),
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input_double("Please input the elasticity modulus"),
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input_double("Please input the moment of inertia"));
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input_double("Please input the moment of inertia"));
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break;
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break;
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case 8:
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case 8:
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calculated_value = heat_transfer_rate(
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calculatedValue = heat_transfer_rate(
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input_double("Please input the transfer coefficient"),
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input_double("Please input the transfer coefficient"),
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input_double("Please input the surface area"),
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input_double("Please input the surface area"),
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input_double("Please input the change in temperature"));
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input_double("Please input the change in temperature"));
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break;
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break;
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case 9:
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case 9:
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calculated_value =
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calculatedValue =
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stress(input_double("Please input the amount of force"),
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stress(input_double("Please input the amount of force"),
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input_double("Please input the surface area"));
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input_double("Please input the surface area"));
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break;
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break;
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case 10:
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case 10:
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calculated_value = shear_stress(
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calculatedValue = shear_stress(
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input_double("Please enter σ_x"), input_double("Please enter σ_y"),
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input_double("Please enter σ_x"), input_double("Please enter σ_y"),
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input_double("Please enter τ_xy"),
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input_double("Please enter τ_xy"),
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input_double("Please enter θ (in radians)"));
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input_double("Please enter θ (in radians)"));
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break;
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break;
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case 11:
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case 11:
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calculated_value = coulombs_law(
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calculatedValue = coulombs_law(
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input_double("Please input the first charge"),
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input_double("Please input the first charge"),
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input_double("Please input the second charge"),
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input_double("Please input the second charge"),
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input_double("Please input the relative static permittivity"),
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input_double("Please input the relative static permittivity"),
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@ -184,7 +126,7 @@ int main() {
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<< std::endl;
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<< std::endl;
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continue;
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continue;
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}
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}
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std::cout << "The result of that calculation is: " << calculated_value
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std::cout << "The result of that calculation is: " << calculatedValue
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<< std::endl;
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<< std::endl;
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}
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}
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}
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}
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56
math.cpp
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56
math.cpp
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#include <cmath>
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double const MOLAR_GAS_CONSTANT = 8.314'462'618'153'24;
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double const GRAVITATIONAL_CONSTANT = 0.000'000'000'066'740'8;
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double const SPHERE_VOLUME_RATIO = 4.0 / 3;
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double const VACUUM_PERMITTIVITY = 0.000'000'000'008'854'187'818'8;
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double ideal_gas_law(double moles, double gasAbsoluteTemperature,
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double volume) {
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return (moles * MOLAR_GAS_CONSTANT * gasAbsoluteTemperature) / volume;
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}
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double average_acceleration(double posStart, double posEnd, double timeStart,
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double timeEnd) {
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return (posEnd - posStart) / std::pow(timeEnd - timeStart, 2);
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}
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double ohms_law(double voltage, double resistance) {
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return voltage / resistance;
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}
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double universal_gravitation(double massOne, double massTwo, double distance) {
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return GRAVITATIONAL_CONSTANT * ((massOne * massTwo) / std::pow(distance, 2));
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}
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double pythagorean_theorem(double x, double y) {
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return std::sqrt(std::pow(x, 2) + std::pow(y, 2));
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}
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double sphere_volume(double radius) {
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return SPHERE_VOLUME_RATIO * M_PI * std::pow(radius, 3);
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}
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double deflection(double weight, double length, double elasticityModulus,
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double momentOfInertia) {
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return (weight * std::pow(length, 3)) /
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(3 * elasticityModulus * momentOfInertia);
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}
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double heat_transfer_rate(double transferCoefficient, double surfaceArea,
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double temperatureChange) {
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return transferCoefficient * surfaceArea * temperatureChange;
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}
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double stress(double force, double area) { return force / area; }
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double shear_stress(double sigmaX, double sigmaY, double tauXY, double theta) {
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return -0.5 * (sigmaX - sigmaY) * sin(2 * theta) + tauXY * cos(2 * theta);
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}
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double coulombs_law(double charge1, double charge2,
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double relativeStaticPermittivity, double distance) {
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return std::fabs(charge1 * charge2) /
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(4 * M_PI * VACUUM_PERMITTIVITY * relativeStaticPermittivity *
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std::pow(distance, 2));
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}
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21
math.h
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21
math.h
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double ideal_gas_law(double, double, double);
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double average_acceleration(double, double, double, double);
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double ohms_law(double, double);
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double universal_gravitation(double, double, double);
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double pythagorean_theorem(double, double);
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double sphere_volume(double);
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double deflection(double, double, double, double);
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double heat_transfer_rate(double, double, double);
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double stress(double, double);
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double shear_stress(double, double, double, double);
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double coulombs_law(double, double, double, double);
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