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Physics, 22.06.2019 11:30
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
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Physics, 22.06.2019 15:50
How many neutrons does plutonium -196 with an atomic number of 78.
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Physics, 23.06.2019 01:00
Two positive charges are equal. which has more electric potential energy?
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Physics, 23.06.2019 01:30
Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.
Answers: 1
Three boards, each 50 mm thick, are nailed together to form a beam that is subjected to a 1200-N ver...
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