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Q. An air molecule is moving at a speed of 444 m/s. How many meters would the molecule move during 7.00 ms (milliseconds) if it didn't collide with any other molecules?

Q. A wooden artifact from an ancient tomb contains 75.6 percent of the carbon-14 that is present in living trees. How long age was the artifact made? (The half-life of carbon-14 is 5730 years.)

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