Lamar writes several equations trying to better understand potential energy. h = d with an arrow to the equation w = f d and p e subscript g baseline = m g h. f subscript g baseline = mg with arrows to the f in w = f d and to p e subscript g baseline = m g h. what conclusion is best supported by lamar's work? the elastic potential energy is the same for any distance from a reference point. the gravitational potential energy equals the work needed to lift the object. the gravitational potential energy is the same for any distance from a reference point. the elastic potential energy equals the work needed to stretch the object.

chemical properties of thing

close lines strong magnet less close weaker

-first use of geothermal energy occurred more than 10,000 years ago in north america by american paleo-indians

-the first industrial use of geothermal energy began near pisa, italy in late 18th century

-in 1904, italian scientist piero ginori conti invented the first geothermal electric power plant in which steam was used to generate the power

-with the above experiment, the first geothermal plant in usa started in 1922 with a capacity of 250 kilowatts

-however, in 1946 first ground-source geothermal heat pump installed at commonwealth building in portland, oregon

-during the 1960’s, pacific gas and electric began operation of first large scale geothermal power plant in san francisco, producing 11 megawatts

-in 1973, when oil crisis began many countries began looking for renewable energy sources and by 1980’s geothermal heat pumps (ghp) started gaining popularity in order to reduce heating and cooling costs

-as effect of climate change started showing results, governments of various countries joined hands to fight against it, for which kyoto protocol was signed in japan in 1997, laid out emission targets for rich countries and required that they transfer funds and technology to developing countries, 184 countries have ratified it

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