In class you learned that physics needs only seven (7) basic quantities to measure everything in the known universe. However, it is combinations of these quantities that we use mostly, especially in our everyday lives. For example, two of the basic quantities are length and time. We can put them together and derive speed. How many different derived quantities do you think we can have using only the seven basic quantities?

The derived units are limitless

Explanation:

Derived unit are quantity gotten from the basic or fundamental unit. The number of derivatives from the basic unit are endless but for College school student they are pegged as at least 50. Examples are Area, Volume, Velocity, Acceleration, Angular velocity, Angular acceleration, Density, Momentum

-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

hope this

prndulum needs thread, weight clock to time swings