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Iona Prep Physics
Constants |
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Iona Prep Physics
Constants |
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| Name | Symbol | Value |
|---|---|---|
| Gravitational constant | G | 6.67259(85)x10-11 N*m2/kg2 |
| Acceleration due to gravity | g | 9.81 m/s2 |
| Speed of light in a vacuum | c | 2.99792458x108 m/sec |
| Speed of sound at STP | - | 3.31x102m/s |
| Mass-energy relationship | - | 1 amu = 9.3149432(28) x102Mev |
| Mass of the Earth | - | 5.97x1024kg |
| Mass of the Moon | - | 7.35x1022kg |
| Mean radius of the earth | - | 6.38 x106m |
| Mean radius of the Moon | - | 1.74 x106m |
| Mean distance from Earth to Moon | - | 3.84 x108m |
| Electrostatic constant | k | 9.0x109 N*m2/C2 |
| Charge of the electron (1 elementary charge) | - | 1.60217733(49) x10-19C |
| One Coulomb | C | 6.25 x1018elementary charges |
| Electronvolt | eV | 1.60217733x10-19J |
| Planck's Constant | h | 6.6260755(40) x10-34 J*s |
| Rest mass of the electron | me | 9.1093897(54) x10 -31kg |
| Rest mass of the proton | mp | 1.6726231(10) x10-27kg |
| Rest mass of the neutron | mn | 1.6749286(10) x10-27 kg |