How semiclassical gravity is semiclassical physics?
Q: What is dark matter, and what evidence exists for it? What effect does dark energy have on the…
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Q: So if our universe is about 15 billion years old. Do we think this because we can't see farther away…
A: We are known the age of universe. We are given that age of universe is about 15 billion years. There…
Q: What has occurred after the Big Bang? Objects in the universe have reached a critical density.…
A: The big bang is how astronomers describe the way the universe started. It is the vision that the…
Q: uppose two identical objects are sitting 1 meter apart. The gravitational force between them is 9N.…
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Q: Which of Einstein's theories extends what we know about Newtonian physics and cons of the gravity
A: Special theory of relativity gives two information. First All law of physics are same in all…
Q: 27. A person in a spaceship passing Earth observes her own heart rate to be 75 beats / minute and…
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Q: What do you mean by proper time and proper lenght?
A: Proper time and proper length can be defined as:
Q: TRUE OR FALSE: Einstein correctly predicted that the universe is both infinite in size and static in…
A: Given: Einstein correctly predicted that the universe is both infinite in size and static in motion.
Q: What was the lowest temperature for photons to be able to produce 0 particles in the early universe?…
A: Given: kT=mc2
Q: What are gravitational waves, and have they yet been observed either directly or indirectly?
A: An object moving in space, a disturbance will be produced with time in the form of ripples like that…
Q: What is the Big Bang? What evidence do we see in the Universe that everything-which-exists exploded…
A: Bigbang - It is presumably more like a balloon being gust up. A balloon begins small and dilates…
Q: What is dark matter and how do we know it exists?
A: Dark matter is the invisible form of matter which can not be directly detected but its effect can be…
Q: What do you think about the statement that sentient beings in the far distant future will know far…
A: please see the next step for solution
Q: Why is the discovery of dark matter and dark energy so important to our understanding of the…
A: Dark matter and dark energy are one of the mysteries of the universe that are not fully understood.…
Q: Why do we think that nothing, other than light, can travel faster than the speed of light?
A: According to the Einstein’s theory of relativity nothing can travel faster than light.
Q: What is “dark energy”? What is “dark matter”? Why do some scientists think it is everywhere, while…
A: We live in a universe where a lot of space seems to have nothing but a vacuum. A majority portion of…
Q: What is the twin paradox?
A: the twin paradox is a thought experiment in special relativity involving identical twins, one of…
Q: O My Dad Tried to Kill Me with an E Term Paper - Google Docs .com/courses/6091/quizzes/17076/take E…
A: Given: the numbers to multiply = 3x107 and 1.6x 109
Q: What is the concept of dark matter, and what evidence suggests its existence?
A: Introduction:The predictions of the general theory of relativity fall short in explaining the…
Q: Choose the BEST answer to the following: If a star that is 20 light-years from Earth explodes,…
A: The disturbances, happens in the curvature of the space time is the gravitational waves. The…
Q: What are gravitational waves and how do they work?
A: Question : What are gravitational waves and how do they work? Gravitational waves are distortions…
Q: Would would happen to Spacetime at the surface of the Sun if you kept the volume the same but…
A: Answer:- The spacetime curvature would increase with increasing density.
Q: The discovery of the dark energy was a surprise because astrophysicists generally assumed that the…
A: Conclusion of the Hubble's Law:The conclusion of the Hubble's law is that the universe is…
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