Why don’t we notice length contraction in everyday life?
Q: 1- As the universe expands, a galaxy which is at a distance of 5.0 x 106 pc, is moving away from…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: Write each of the following complex numbers in the exponential form. (a) 2 cos- +i cos 3 3 을 (b) 5,…
A: a) The given equation is of the Polar form z=r(cosθ+isinθ) Therefore, r= 2 θ= π/3 We know that,…
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Q: Using our example from the previous unit, let's try to determine the Hubble time for this example…
A: Solution Given dataSpeed v=4000km/sDistance d=20Mpcwhat would the age of that universe be in…
Q: What is the densest substance in the universe?
A: Osmium is the densest thing in the universe.
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: Observations of distant galaxies show O they appear older than they really are. the size of the…
A: We are able to observe because of light reach us from the stars.
Q: A distant galaxy is observed with a spectrometer. This galaxy produces an emission line that is…
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Q: If a galaxy is 9.0 Mpc away from Earth and recedes at 488 km/s, what is H0 (in km/s/Mpc)? km/s/Mpc…
A: The question above has been given from Hubble's law. This law is also known as the Hubble-Lemaitre…
Q: A galaxy is observed receding from Earth with a speed of 2800 km/s. If the Hubble constant is 22…
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Q: Suppose a galaxy is moving away from Earth at a speed 0.78c. It emits radio waves with a wavelength…
A: Doppler effect is the change in frequency and wavelength of a wave due to the motion of the source…
Q: give a short explanation for Length Contraction about how these things affect people’s observations…
A: Special theory of relativity is a topic in Physics where different behavior related to a system…
Q: The sprinter trarela a distance of 18. m in t. Explanation of Solution Given The mass of the…
A: It is given that the initial velocity of the runner is 0m/s (the runner starts from rest) and the…
Q: A star, which is 2.2 x 1020 m from the center of a galaxy, revolves around that center once every…
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Q: Particle a and particle bare moving along a horizontal line for 051515. The velocity of particle a…
A: Given:position xa, and velocity va of particle a at correspondingtimes is given.Also graph of…
Q: A star, which is 2.1 x 1020 m from the center of a galaxy, revolves around that center once every…
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Q: As measured on Earth the star Fomalhaut is 25.1 light years away. As measured by the crew of a…
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Q: What is the distance in meters to our Sun that is 500 light-seconds away?
A: The time taken by the light to travel from Earth to Sun is t = 500 seconds. Assume the speed of the…
Q: What is the only thing that remains constant all over the universe
A: A constant is a quantity that is conserved with time. And and Invariant quantity is something that…
Q: What do we call the “stretching out” of time?
A: The stretching out of time is called as time dilation.
Q: If we knew that a distant galaxy were 8.56 x 1021 meters away from earth, what velocity could we…
A: The velocity of a distant galaxy can be calculated using Hubble's Law. Hubble's Law states that the…
Q: Is it possible that Nothing can Exist, as in a vacuum? If so, what holds the matter of the universe…
A: According to present-day understanding of what is called the vacuum state or the quantum vacuum, it…
Q: Our galaxy is approximately 100,000 light years in diameter and 2,000 light years thick through the…
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Q: 17). If you were to live another 65 years and there was a starship ready to go right now, how fast…
A: **As per our company guidelines we are supposed to solve only one question (if there are multiple…
Q: A student in PHYS 115 at NYIT wants to estimate the age of the galaxy. She knows that the most…
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Q: The most significant validation of Einstein’s Theory of General Relativity required the observation…
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Q: Suppose we live in a universe in which the electron and positron have charges opposite to ours, i.e.…
A: Electron:- Subatomic particles known as electrons have an elementary charge of magnitude -1. A…
Q: How can you explain the fact that the Andromeda Galaxy appears to be approaching us rather than…
A: Each element emits photons only at a certain wavelength. They form either emission or absorption…
Q: In the theory of special relativity, what is meant by length contraction?
A: Length contraction in special theory of relativity :…
Q: A distant galaxy is observed with a spectrometer. This galaxy produces an emission line that is…
A: Givenλo=33 cm observed wavelengthλs=21 cm source wavelengthas by doppler…
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: If you were traveling away from a planet at 99% the speed of light, and turned on a flash light…
A: A flash light is turned on by observer moving at speed 0.99 c
Q: The temperature of the universe is 2.76 K. What is the wavelength of the cosmic background…
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Q: What would be your estimate for the age of the universe if you measured Hubbleʹs constant to be 33…
A: We are given the value of Hubble constant. We are to find the age of universe. We are also given the…
Q: In the deep space between galaxies, the density of atoms is 1 million atoms per m3 (i.e. there are 1…
A: Given: Density of an atom = 1 million atom in a m3. Temperature = 3 K
Q: One of our closest stars is our Sun, duh. If the distance from Earth to our Sun is 1.56e-05…
A: Solution: The speed of the star is obtained by the Hubble relation, v=H0d…
Q: Without aging much, how could you go thus far into the future and yet maintain your youth? What if…
A: Back in time: Although people cannot go back in time by hopping into a time machine, we do know…
Q: How can we dilation in our Daily life?
A: The time dilation is a effect which leads to change in time interval for any event that occurs…
Why don’t we notice length contraction in everyday life?
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