A steel tape with a coefficient of linear expansion of 0.0000116/1°C is known to be 75-m long at 35°C. The tape was used to measure a line which was found to be 532.28 meters long when the temperature was 48°C. Determine the following: a) Temperature correction per tape length b) Temperature correction for the measured line c) Correct length of the line

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Hydrogen Energy

Energy is a quantity that cannot be defined, its existence can only be felt. In simple language, if a system possesses energy, it can do a specific kind of work. There are many forms of energy sources which people can use to obtain work. Solar energy, tidal energy, hydroelectric energy, geothermal energy, wind energy are some of the renewable energy sources which are primarily used for the production of electricity.