what do you think you know about physics, physics is the study of matter under the effect of energy, but does this includes solid states bodies, atoms at ground states, object at microscopic size or object moving faster than light? these and more is what prompt me to ask again what is physics?
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starting with 100 carbon-14 atoms, how many would you expect to have after one half-life?
After a half life periodonly 50 carbon -14 atoms will remain.
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