Which of the observations below provide support for the big bang theory? a. energy, matter, and light are all quantized, and can only exist in small packets. b. matter and energy are equivalent. matter can be converted to energy, and energy can be converted to matter. c. lengths contract and time dilates as speeds approach the speed of light in a vacuum. d. the same background radiation was observed coming from all directions of space.
Answers: 1
Physics, 22.06.2019 12:00, jazz8224
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 12:10, anaroles04
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
Answers: 2
Which of the observations below provide support for the big bang theory? a. energy, matter, and lig...
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