Which one best describes scientific knowledge?
(A) clear question asked by scientists
(B) wh...
Physics, 22.01.2022 14:00 genyjoannerubiera
Which one best describes scientific knowledge?
(A) clear question asked by scientists
(B) what we know about the world
(C) how scientists get answers to their questions
(D) measurements made with our senses
Answers: 1
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Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
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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.
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