#include using namespace std; int main() { //Declaration of variables int medium; int feet; //Table of values cout << " The following table shows the approximate speed of sound, " << endl; cout << " measured in feet per second, in air, water, and steel.\n" << endl; cout << " **************************************************" << endl; cout << " **************************************************" << endl; cout << " ** Medium ** Speed (feet per sec) **" << endl; cout << " **************************************************" << endl; cout << " **************************************************" << endl; cout << " ** Air(A) ** 1,100 **" << endl; cout << " ** Water(W) ** 4,900 **" << endl; cout << " ** Steel(S) ** 16,400 **" << endl; cout << " **************************************************" << endl; cout << " **************************************************" << endl; cout << "\n\n" << endl; //Using Nested If Statement. cout << "This program calculates the number of feet a\n" << "sound wave will travel in the selected medium\n"; cout << "Select a medium from the following menu:\n"; cout << " 1 = Air\n"; cout << " 2 = Water\n"; cout << " 3 = Steel\n"; cin >> medium; if (medium == 1) { cout << "How many feet will the sound wave travel in air?" << endl; cin >> feet; if (feet < 0) { cout << "Error! Distance must be greater than zero.\n"; } else { cout << "It will take " << feet / 1100 << " seconds for the sound wave to travel " << feet << " feet in air." << endl; } } else { if (medium == 2) { cout << "How many feet will the sound wave travel in the medium?" << endl; cin >> feet; if (feet < 0) { cout << "Error! Distance must be greater than zero.\n"; } else { cout << "It will take " << feet / 4900 << " seconds for the sound wave to travel " << feet << " feet in water." << endl; } } else { if (medium == 3) { cout << "How many feet will the sound wave travel in the medium?" << endl; cin >> feet; if (feet < 0) { cout << "Error! Distance must be greater than zero.\n"; } else { cout << "It will take " << feet / 16400 << " seconds for the sound wave to travel " << feet << " feet in steel." << endl; } } else { cout << "Unknown type of media. Try again." << endl; } } } cout << "\n\n" << endl; //Using If / Else If Statement cout << "This program calculates the number of feet a\n" << "sound wave will travel in the selected medium\n"; cout << "Select a medium from the following menu:\n"; cout << "1 = Air\n"; cout << "2 = Water\n"; cout << "3 = Steel\n"; cin >> medium; if (medium == 1) { cout << "How many feet will the sound wave travel in the medium?" << endl; cin >> feet; if (feet < 0) { cout << "Error! Distance must be greater than zero.\n"; } else { cout << "It will take " << feet / 4900 << " seconds for the sound wave to travel " << feet << " feet in water." << endl; } } else if (medium == 2) { cout << "How many feet will the sound wave travel in the medium?" << endl; cin >> feet; if (feet < 0) { cout << "Error! Distance must be greater than zero.\n"; } else { cout << "It will take " << feet / 4900 << " seconds for the sound wave to travel " << feet << " feet in water." << endl; } } else if (medium == 3) { cout << "How many feet will the sound wave travel in the medium?" << endl; cin >> feet; if (feet < 0) { cout << "Error! Distance must be greater than zero.\n"; } else { cout << "It will take " << feet / 4900 << " seconds for the sound wave to travel " << feet << " feet in water." << endl; } } else { cout << "Unknown type of media. Try again." << endl; } cout << "\n\n" << endl; //Using the Switch Statement. cout << "This program calculates the number of feet a\n" << "sound wave will travel in the selected medium\n"; cout << "Select a medium from the following menu:\n"; cout << "1 = Air\n"; cout << "2 = Water\n"; cout << "3 = Steel\n"; cin >> medium; cout << "How many feet will the sound wave travel in air?" << endl; cin >> feet; if (feet < 0) { cout << "Error! Distance must be greater than zero.\n"; } else { switch (medium) { case 1: cout << "It will take " << feet / 1100 << " seconds for the sound wave to travel " << feet << " feet in air." << endl; break; case 2: cout << "It will take " << feet / 4900 << " seconds for the sound wave to travel " << feet << " feet in water." << endl; break; case 3: cout << "It will take " << feet / 16400 << " seconds for the sound wave to travel " << feet << " feet in steel." << endl; break; default: cout << "Unknown type of media. Try again." << endl; } } system("pause"); return 0; }

Calculates the number of feet a sound wave will travel in a medium