Question 2
Any electricity charged object creates an electric field. Walking across carpet in...
Physics, 21.04.2020 16:48 Teedollasign
Question 2
Any electricity charged object creates an electric field. Walking across carpet in wool socks can create an electric charge. This
observation is evidence for which characteristics of electrical forces?
They generate electricity by contact.
They can be generated by electricity.
OOO
They can exert a force across a distance.
They are moving due to magnetism.
Answers: 2
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The four giant gas points that are made primarily of lightweight elements are
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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
Answers: 1
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Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations. in what way do laboratory experiments primarily differ from other forms of scientific investigations? a. a laboratory experiment is the only accepted form of investigation within the scientific community. b. studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments. c. laboratory experiments involve the identification and control of variables. d. data can only be generated through laboratory experiments, not other forms of investigation.
Answers: 3
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