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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A 1.5kg rock is released from rest at the surface of a calm lake. If the resistance offereed by the water as ther rock falls is directly porportional to the rock's velocity, the rocks acceleration is a=g-C(d) v/m, where g is the acceleration fo gr
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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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