Physics, 19.12.2019 09:31 ortegamagellynt
What is the difference between a horizontal line on a position graph and a horizontal line on a speed graph.
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Physics, 21.06.2019 17:00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
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Physics, 22.06.2019 08:00
Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance
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Physics, 22.06.2019 12:00
The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?
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Physics, 22.06.2019 22:00
Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.
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What is the difference between a horizontal line on a position graph and a horizontal line on a spee...
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