Physics, 14.01.2020 05:31 rayray7155
Light from a laser forms a 1.31-mm diameter spot on a wall. if the light intensity in the spot is what is the power output of the laser?
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What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?
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Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?
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Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus
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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
Light from a laser forms a 1.31-mm diameter spot on a wall. if the light intensity in the spot is wh...
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