Which of the following types of stars is cooler that an orange main sequence?
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Physics, 21.06.2019 17:30
What is the difference between electrically neutral objects and electrically charged objects
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Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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Physics, 22.06.2019 16:00
The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.
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