Physics, 28.06.2019 11:00 mpete1234567890
How did the boy kick his soccer ball ten feet, and then have it come back to him on its own?
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Physics, 23.06.2019 02:00
Elements that have one valence electron and are very reactive are called
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Physics, 23.06.2019 09:30
To solve a problem using the equation for kepler ‘s third law , enrico must convert the average distance of mars from the sun from meters into astronomical units . how should he make the conversion ?
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Physics, 23.06.2019 10:20
Q1=-2.00x10^-5 c, q2=+3.80x10^-6 c, q3=+5.30x10^-5 c. what is the electric potential energy for charge q2? between q1 and q2: 1.15m between q2 and q3: 2.88m
Answers: 3
Physics, 23.06.2019 18:00
If the sun were to become a black hole, what would happen to earth? it is impossible to know the results. it would be sucked in very rapidly. it would continue in the same orbit. it would be sucked in very slowly. 3. which type of radiation us map the galaxy? visible light infrared 21 cm radio waves ultraviolet 4. henrietta leavitt found that the brighter appearing cepheids always had longer periods of light variation. this is an expression of what? period-luminosity relation luminosity function hertzsprung-russell diagram mass-luminosity relation 5. what is the surface or boundary of a black hole called? quasar active galaxy event horizon seyfert point 6. edwin hubble's discovery of a cepheid variable in the andromeda nebula led him to conclude that the nebula was what? a distant galaxy composed of hydrogen a supernova remnant the birthplace of stars 7. earth is near the center of the milky way galaxy. true false 8. how long does it take the sun to revolve around the center of the galaxy? two hundred thousand years two hundred million years two hundred years two hundred billion years
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How did the boy kick his soccer ball ten feet, and then have it come back to him on its own?...
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