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Vectors and Trigonometry

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Physics is the science of the very small and the very large. Learn about Isaac Newton, who gave us the laws of motion and optics, and Albert Einstein, who explained the relativity of all things, as well as catch up on all the latest news about Physics, on

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Question: How many neutrons does an atom have?

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"What year is it?" Sean asked Leonardo.
"Oh, now, surely you know it is the year of the Grand Jubilee? 1500 anno domini - the 1,500th anniversary of the invention of dominoes."

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