Definition: In physics, a megajoule is a unit of energy that measures the amount of energy equivalent to 1 kilowatt-hour (kWh). It is defined as 10^6 joules. A megajoule is approximately equal to about 2.95 x 10^7 watts or 2.95 x 10^8 joules. This is a significant amount of energy, used in various applications such as heating systems, lighting,
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