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If quarks always exist in pairs then why do protons and neutrons have three quarks, not four?
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Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot
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Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).
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Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?
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If quarks always exist in pairs then why do protons and neutrons have three quarks, not four?...
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