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7 jam yang lalu · To convert watts to BTU, use this formula: BTU = Watts × 3.41. So, if an appliance uses 500 watts, the power in BTU is calculated as follows: 500 watts × 3.41 = 1,705 BTU. Kilowatts to Watts. Sometimes, you need to convert kilowatts (kW) to watts (W). This is straightforward since 1 kilowatt equals 1,000 watts:
1 hari yang lalu · The classical formulae for the energy and momentum of electromagnetic radiation can be re-expressed in terms of photon events. For example, the pressure of electromagnetic radiation on an object derives from the transfer of photon momentum per unit time and unit area to that object, since pressure is force per unit area and force is the change ...
