Find height of cliff if speed of sound is given
When the rock is dropped from the cliff into the ocean, it travels approximately 16t^2 feet in t seconds. If splash is heard 2.5 seconds later and speed of sound is 1100ft/sec, approximately height of cliff.
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To effuse from a hole in a chamber a given volume of nitrogen needed the 68.3 seconds. Under the same conditions, another gas needed 85.6 seconds for the same volume to effuse. How can estimate the molecular mass of this gas?
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You're planning an evaluation of a semester-long alcohol awareness campaign at your college. Previous evaluations indicate that about 25% of the students surveyed will respond "Yes" to the question "Did the campaign alter your behavior toward alco
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The flower nursery manages 50,000 flowers and year sells 10% of flowers and plants 4,000 new ones. Write the recursive formula which gives number of flowers every year.
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