Find the mass of the lead block
A 1 kg toy raft floats on water with 68% of its volume submerged. A lead block is placed on the raft and the raft is then fully submerged with the lead block just above the surface of the water. Find the mass of the lead block.
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Chlorine consists of two major isotopes with the following atomic masses: 35Cl (34.9689 amu) and 37Cl (36.9659 amu). The average atomic mass of chlorine is 35.4527 amu. Calculate the percent of each of the isotopes.
Submit a 150- to 250-word response in which you describe the economic troubles of the late 1970s and explain how the economic situation helped to lead to the election of Ronald Reagan and the beginning of “Reaganomics.”
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We have a 10,000 pound weight (of any configuration, size or shape) lifted to a height of 50 feet by a construction crane. What is the best and most efficient method to create compressed air with such weight when it is released.
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When analyzing the iron content of a well drilled for use in a new housing development. Calculate the pooled estimate of the standard deviation of the analysis.
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