| Name of constant
| Symbol
| What it is
| Uses
|
| Gravitational Constant
| G
| 0.0000000000667 (6.67X10^-11) Kg/m
| Finding the attractive force between 2 masses
|
| Big K
| K
| 9000000000 (9.0X10^9)
| Finding the attractive force between 2 charges
|
| Speed of Sound
|
| 331.5 m/s
| Equations using the speed of sound
|
| Speed of Light
| C
| 300000000 (3.0X10^8) m/s
| Equations using the speed of light
|
| Acceleration due to Gravity on Earth
| ag
| 9.807 m/s or 32 ft/s
| Equations for moving objects near Earth's surface
|
| Elemantary Charge
| e
| 1.60217733X10^-19 C
| The magnitude of an electron or porton charge
|
| Electron Mass
| me
| 9.1093897X10^-31 kg
| The mass of an electron
|
| Proton Mass
| mp
| 1.6726231X10^-27 kg
| The mass of a proton
|
| Boltzmann's constant
| k
| 1.380658X10^-23 J/K
| Used in the ideal gas law
|
| Universal Gas constant
| R
| 8.31441 J/K*mol
| Used in the ideal gas law
|
| Avogadro's number
| NA
| 6.0221367X10^23 mol^-1
| The # of carbon-12 atoms in one gram of carbon-12
|
| Bohr radius
| ao
| 5.29177249X10^-11 m
| Used to find the size of atoms
|