Retrograde motion of the outer (superior) planets occurs because: a. planets atually back up in their orbits occasionally b. the earth is moving in its orbit faster than any superior planet, so when the planet is at opposition (opposite the sun in the sky), the planet seems to go backwards the earth is moving in its orbit faster than any superior planct, so when the planet is in conjunction (near the sun in the sky, the planet seems to go backwards c. d. the outer planets move quickly, so earth seems to go backwards
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Physics, 21.06.2019 16:10
Zirconium has an hcp crystal structure and a density of 6.51 g/cm3. (a) what is the volume of its unit cell in m3? (b) if the c/a ratio is 1.593, compute the values of c and a.
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Physics, 22.06.2019 07:30
Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.
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Physics, 22.06.2019 08:00
What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest
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Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
Retrograde motion of the outer (superior) planets occurs because: a. planets atually back up in the...
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