Physics, 20.07.2019 12:30 donald1255
Arod made from insulating material carries a net charge, while a copper sphere is neutral. the rod and the sphere do not touch. is it possible for the rod and the sphere to (a) attract one another and (b) repel one another? explain.
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Physics, 21.06.2019 18:00
8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )
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Physics, 21.06.2019 22:00
In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.
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Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0Γ10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
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