What is the ultimate fate of an isolated white dwarf?
a) it will cool down and become a cold...
Physics, 11.10.2019 08:00 juarezanthony258
What is the ultimate fate of an isolated white dwarf?
a) it will cool down and become a cold black dwarf. b) as gravity overwhelms the electron degeneracy pressure, it will explode as a nova. c) as gravity overwhelms the electron degeneracy pressure, it will explode as a supernova. d) as gravity overwhelms the electron degeneracy pressure, it will become a neutron star. e) the electron degeneracy pressure will eventually overwhelm gravity and the white dwarf will slowly evaporate.
Answers: 3
Physics, 21.06.2019 18:10, HOTaco554
After the near spacecraft passed mathilde, on several occasions rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid eros, the final destination for the mission. after getting close to eros, further small adjustments made the momentum just right to give a circular orbit of radius 45 km (45 × 10^3 m) around the asteroid. so much propellant had been used that the final mass of the spacecraft while in circular orbit around eros was only 545 kg. the spacecraft took 1.04 days to make one complete circular orbit around eros. calculate what the mass of eros must be.
Answers: 1
Physics, 22.06.2019 15:20, ineedhelp2285
Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
Answers: 2
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