A. write 3 - 4 sentences describing how the universe began and how its size is currently changing, according to the big bang theory. according to the closed model, what will eventually happen to the universe?
b. define redshift. what conclusion do scientists draw about the universe, based on their observations of redshift? write 2 - 3 sentences to present your response.
Answers: 1
Physics, 22.06.2019 05:40
The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
Answers: 1
Physics, 22.06.2019 06:30
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
Physics, 22.06.2019 07:30
Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life
Answers: 3
Physics, 22.06.2019 08:00
What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
Answers: 1
A. write 3 - 4 sentences describing how the universe began and how its size is currently changing, a...
Geography, 19.05.2020 13:09
Mathematics, 19.05.2020 13:09
English, 19.05.2020 13:09
Mathematics, 19.05.2020 13:09
English, 19.05.2020 13:10
Mathematics, 19.05.2020 13:10
English, 19.05.2020 13:10
Mathematics, 19.05.2020 13:10
Mathematics, 19.05.2020 13:10