Physics, 13.11.2019 01:31 dnarioproctor
To calculate the dashed orbits from the stellar positions, astronomers had to assume that a) if they observed for many more years, the dots would trace out parabolas b) if they observed for many more years, the dots would trace out ellipses c) the central object has a mass of about 4 million solar masses d) the stars are all main-sequence stars.
Answers: 2
Physics, 22.06.2019 07:30, luckylady
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
Physics, 22.06.2019 10:00, issaaamiaaa15
Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
Answers: 2
To calculate the dashed orbits from the stellar positions, astronomers had to assume that a) if the...
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