Editing 687: Dimensional Analysis
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===Some numbers for this calculation=== | ===Some numbers for this calculation=== | ||
The {{w|Planck energy}} is the only nearly exact value we do have. Compared to other Planck values it is very large (macroscopic). | The {{w|Planck energy}} is the only nearly exact value we do have. Compared to other Planck values it is very large (macroscopic). | ||
− | E_planck = 1.956 x 10<sup>9</sup> J | + | E_planck = 1.956 x 10<sup>9</sup> J = 1.956 x 10<sup>9</sup> Nm |
Pressure at the {{w|Inner_core#Temperature_and_pressure|core}} of the Earth ranges from 330 to 360 gigapascals. | Pressure at the {{w|Inner_core#Temperature_and_pressure|core}} of the Earth ranges from 330 to 360 gigapascals. | ||
Using a simple value like this: | Using a simple value like this: | ||
− | P_core = 350 GPa = 3.5 x 10<sup>11</sup> | + | P_core = 350 GPa = 3.5 x 10<sup>11</sup> N/m² |
Prius combined {{w|Toyota_Prius#Fuel_economy_and_emissions|EPA gas mileage}}: | Prius combined {{w|Toyota_Prius#Fuel_economy_and_emissions|EPA gas mileage}}: |