Physics, 28.09.2019 20:30 andybiersack154
Awell hole having a diameter of 5 cm is to be cut into the earth to a depth of 75 m. determine the total work (in joules) required to raise the earth material to the surface if the average mass of 1 m is 1830 kg. (data: g = 9.81 m/s) (hint: how much work is required to raise a volume of ad/4 x dx from a depth of x feet to the surface?
Answers: 1
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Which describes increasing the efficiency of energy resource
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Physics, 22.06.2019 20:00, scott5315
Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature
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Physics, 23.06.2019 01:00, ryanbasdao
2. circled insects have mutations, or changes to their dna. how many of the offspring insects in this generation have mutations?
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Awell hole having a diameter of 5 cm is to be cut into the earth to a depth of 75 m. determine the t...
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