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A stone has a mass of 2kg and volume of 0.00025m3, what is the density of the stone?
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Can someone explain to me how to do this problem ?
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Relative to the ground below, how many joules of potential energy does a 1000-kg boulder have at the top of a 5-m ledge?
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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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Which is not true of alpha radiation? o a. it increases the number of protons. o b. it has a positive charge. o c. it causes transmutation. o d. it is heaviest of the three types
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A stone has a mass of 2kg and volume of 0.00025m3, what is the density of the stone?...
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