6) Consider a 2.500 m-long tube that is open on both ends in a laboratory on a day when the
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a) Sketch the fundamental, or first harmonic, for this tube.
b) How many wavelengths constitute the fundamental?
c) Calculate the frequency of the fundamental.
d) Calculate the frequency of the third harmonic.
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Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
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(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
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Which is the most accurate name for the covalent compound p2o3?
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6) Consider a 2.500 m-long tube that is open on both ends in a laboratory on a day when the
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