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The total energy of the universe remains constant. True False User: The total energy of the universe remains constant. True False?
Weegy: Total energy may or may not be constant, given the nature of black holes and dark energy. No one, at the moment, can state if the energy is constant or not because no one knows everthing about the universe. [ There might be a phenomenon whic actually 'creates' energy. ] (More)
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Asked 6/21/2012 6:17:44 AM
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A car weighing 1451 kg. is traveling at 48.0 km/h. How much kinetic energy does it possess? K.E. = 1.67 x 105 J 9.65 x 105 J 1.28 x 105 J 3.48 x 105 J
Weegy: K.E. = 1671552 Joules. [smile] (More)
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Asked 6/21/2012 6:00:17 AM
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After two hours, 1/16 of the initial amount of a certain radioactive isotope remains undecayed. The half-life of the isotope is: 15 minutes 30 minutes 45 minutes 60 minutes
Weegy: The half life is 15 minutes. User: A hydrogen atom is in its ground state when its orbital electron: is within the nucleus has escaped from the atom is in its lowest energy level is stationary User: The uncertainty principle states that: Moving bodies exhibit both particle and wave properties. Moving charged particles resemble electromagnetic waves in their behavior. Neither the position nor the mass of a particle can ever be precisely ... (More)
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Asked 6/22/2012 6:27:35 AM
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What kind of lasting effects did the Spanish-American War have on the United States?
Weegy: The formal peace negotiations took place in Paris, beginning on Oct. 1, 1898. The American representatives had committed themselves to an expansive imperialistic policy for the United States. [ Spain granted Cuba its independence, and the United States was given Puerto Rico and Guam. The difficult issue was the Philippines. McKinley was undecided on what to do about the 7,000-island former Spanish colony. Soon, however, he was caught up ... (More)
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Asked 6/22/2012 6:34:34 AM
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Power is the time rate of change of work. True False
Weegy: ability: possession of the qualities (especially mental qualities) required to do something or get something done; "danger heightened his powers of discrimination" User: Chemical reactions drive electrons from the negative terminal to the positive terminal within the battery. True False Weegy: True. Chemical reactions drive electrons from the negative terminal to the positive terminal within the battery. (More)
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Asked 6/22/2012 6:56:06 AM
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