Calculate the mole fraction of kr
Calculate the mole fraction of Kr and its concentration in partsper million by volume.( Kr composition % by volume is 0.00014)
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Calculate the amplitude at point on the string a distance of 25.0 from the left-hand end of the string.
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A bullet is fired vertically upward and reaches a height of 2150m. What is it's initial velocity and how long does it take to reach it's maximum height?
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