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Heliocentric model of the universe, sun in middle and earth and other planets rotate around it
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laws of planetory motion
1) orbit of a planet is an ellipse with sun at one of two foci
2)line segment between planet and sun equal areas in equal amounts of time
3)square of orbital period is proportional to cube of semi major axis -
law of pendulum- period of each swing is exactly the same
improved telescope -
law of refraction, used to describe the relationship between the angles of incidence and refraction.
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hooke's law- force is proportioal to distance
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laws of motion
1) action reaction
2) object in motion stays in motion
3) object at rest will stay at rest -
proved that lightning is electricity through his kite experiment
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Steam engine improvement, fundamental to industrial revolution
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Known for contributions to molecular theory and Avogadro's law
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Created electrodynamics and the SI unit of electric current, interactions between electric charges and current
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Ohm's law, current through conductor is directly proportional to potential difference
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Joule's first law, relationship between heat generated and current flowing
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Created doppler effect, change in frequency
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absolute thermometric scale, equal absolute expansions of mass of air or gas under constant pressure should indicate equal differences of numbers on scale
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proved the existence of electromagnetic waves
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alternating current electricity system
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general theory of relativity, geomettric theory of gravitation
