Physics, 25.11.2021 08:40, braydentillery1221
Measurements of the orbital speeds of stars in the Milky Way and other galaxies have revealed that there must be a great deal of nonluminous mass in their outer reaches to make the rotational speeds remain high far away from the galactic centers. At distances of 15000 pc from the center of the Milky Way, the rotational speeds of stars is still 250 km/sec. What is the distance to the center
Answers: 1
Physics, 22.06.2019 14:10, chuchi24
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
Physics, 22.06.2019 16:30, makaylahamrick
Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.
Answers: 1
Physics, 23.06.2019 05:00, kristofwr3444
Acid rain is caused by human activity. select the best answer from the choices provided t f
Answers: 2
Measurements of the orbital speeds of stars in the Milky Way and other galaxies have revealed that t...
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