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Physics, 21.06.2019 17:10
The âdeath throesâ of stars are amongst the most complex phenomena in all of astronomy, and the âcorpsesâ of stars amongst the most energetic and exotic objects in existence. beginning at the end of the core helium fusion stage in a starâs life, describe in detail the post-main sequence development of both (a) a 1.0 solar mass star, and (b) a 25.0 solar mass star. in what significant ways do they differ? what role does each of these types of stars play in the "star-gas-star" cycle and the evolution of chemical elements in our galaxy?
Answers: 1
Physics, 22.06.2019 03:00
An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d
Answers: 1
Physics, 22.06.2019 08:30
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
Physics, 22.06.2019 18:30
An electron in an x-ray machine is accelerated through a potential difference of 1.00 Ă 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
Answers: 2
When a space shuttle was launched, the astronauts onboard
experienced an acceleration of 29.0 m/s2...
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