A galaxy is observed to recede from Earth with an approximate speed of 0.81c. Approximately how far d from Earth is this galaxy? Give an answer in units of megaparsecs (Mpc). d = ? Mpc How long ago t was the light that we see emitted by the galaxy? Give an answer in units of years. t = ? years

Q: What is the rest energy of the tau partical? What is the kinetic energy of the tau partical in the…

A: Rest energy Eo=moc2      Where mo is the rest mass=3.18×10-27 Kinetic energy of the tau particle in…

Q: A star, which is 2.3 x 1020 m from the center of a galaxy, revolves around that center once every…

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Q: In the context of relativity, what is an "event"?  Give a specific example of an event and provide…

A: In the terms of relativity, event is the instantaneous physical situation or occurrence associated…

Q: An electron travels at 0.479c. Calculate the electron's Einsteinian momentum p. kg-m/s Calculate the…

A: The given electron is travelling at a speed of 0.479c, where c is the speed of light. Let v=0.479c…

Q: The kinetic energy of the ejecta from a supernova explosion is about 10^44 joules. Use the formula…

A: We are given the kinetic energy of a mass which is ejected from supernova explosion. We are also…

Q: Two planets are on a collision course, heading directly towards each other at 0.250c. A spaceship…

A: We know that-Relativistic velocity of transformation is, u= v+u'1+u'vc2      ..... Equation 01where,…

Q: 10. Sirius is about 9.00 ly from Earth. To reach the star by spaceship in 15.0 y (ship time), how…

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Q: a. What is the event horizon radius [m] for the sun if it were to collapse to a Schwarzschild black…

A: Given information: Here, Msun is the Sun’s mass.

Q: A muon has an average life time t_0 = 2.2μs from Earth's frame of referance. Needed distance for…

A: given that,t0=2.2 micro sdistance, d=6 kmspeed, v=2.978×108 ms-1

Q: A star is 80 light years from Earth. How fast does a spacecraft have to be for the journey to last…

A: The objective of the question is to find out the speed of a spacecraft that would allow an astronaut…

Q: Assuming a constant velocity of v=0.87c, how long would the trip to Alpha Centauri take as observed…

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Q: A supernova explosion of a 2.49 x 10³1 kg star produces 1.04 × 1044 J of energy. a) How many…

A: Using mass energy relation,

Q: A spaceship is moving away from Earth at 0.892c when it fires a small rocket in the forward…

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Q: Centauri A and Centauri B are binary stars with a separation of 3.45 x 10¹2 m and an orbital period…

A: The distance of separation is d= 3.45 x 1012mThe orbital perion is T = 2.52 x 109s

Q: 1 Mass and Energy Use the equivalence of energy and rest mass, E = mc² to answer the following…

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Q: The force of +50.0μC at (-10.0m, 0) and +50.0μC at (10.0m, 0) on 20.0μC at (0, 0) is?

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Q: Constants A certain star is 9.50 light-years away. Part A How long would it take a spacecraft…

A: NOTE  Thank you for the question. As per the company honor code, we are allowed to answer up to…

Q: As measured by the crew, a spaceship takes 5.6 years to fly from Earth to a distant star. If the…

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Q: J3

A: Given that : The missile sent by the first spaceship, directly towards second spaceship with speed…

Q: If the mass of the spaceship (including the astronauts) is m = 10^4 kg, %3D what would be its rest…

A: Given: Rest mass, m0=104 kg Require: Rest mass energy, E=?

Q: 13. Sirius is the brightest star in the sky. It is 9 light years away. If you were to travel there…

A: The distance between the earth and the Sirius is 9 light-years. We know that  1Ly=9.461×1015m The…

Q: How much ice in grams would have to melt to lower the temperature of 354 mL of water from 35∘C to…

A: To solve the given question, we will use the conservative of energy i.e. the amount of heat lost by…

Q: A spaceship is moving away from Earth at 0.842c when it fires a small rocket in the forward…

A: Spaceship is moving away from earth at speed u=.842cSmall rocket move forward with speed relative to…

Q: When a missile is shot from one spaceship toward another, it leaves the first at 0.950c and…

A: Given that-The speed of the missile in first spaceship's frame, u'=0.950cSpeed of the missile in…

Q: When a missile is shot from one spaceship towards another, it leaves the first at 0.950c and…

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Q: When a missile is shot from one spaceship toward another, it leaves the first at 0.950c and…

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Q: 19. A body moves 5 meters north and 4 meters south. The offset is: a. 1 meter south at zero degrees…

A:

Q: 10. Sirius is about 9.00 ly from Earth. To reach the star by spaceship in 15.0 y (ship time), how…

A: Distance from Sirius to the Earth is The required time or proper time is Find:The speed of…

Q: What about when t=7s? How do we calculate that?

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Q: What were the two postulates upon which Einstein based Special Relativity? OA. a constant speed of…

A: We have to apply the special theory of relativity concept here.

Q: The formula for length contraction gives the length of an interval on a ruler moving with velocity v…

A: The length of the interval on a ruler moving with 0.67c relative to the observer is :…

Q: Certain spiral galaxy is 9.7 Mpc away from us. How fast in km/s is this galaxy moving away from us?

A: Given, Distance of Galaxy is = 9.7 MPC We need to calculate, velocity of Galaxy is = ?

Q: Describe two different methods used to estimate the speed of a CME. Differentiate between the two…

A: Coronal Mass Ejections (CMEs) are massive bursts of solar wind and magnetic fields rising above the…

Q: a- A certain star is 18.618.6 light-years away. How long would it take a spacecraft traveling 0.950c…

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Q: Measure the slope of the line of best fit. Since D₁ = ky Vay, the slope will equal dy Va so multiply…

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Q: Two distant galaxies are observed to have redshifts z₁ = 0.05 and 22 = 0.15, and distances d₁ =…

A: Red sifts for two distant galaxies:  z1=0.05z2=0.15 The distances are: d1=220.60 Mpcd2=661.75 Mpc

Q: The Millennium Falcon is approximately 35.2 m long. There are conflicting reports, but the Falcon…

A: Length of Falcon = 35.2 m The Falcon made the kessel run in approximately 12.27 parsecs  Velocity of…

Q: 1. You want to travel into the future. If your space ship can go at a speed of 2.00 x 10 m/s, how…

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Q: A particle X with mass of mx = 1950me is moving at speed of v = 0.950c along the x-axis in…

A: As per guidelines we are suppose to do only first three part from multipart question. Given,Particle…

Q: A light source G is moving, with respect to an observer O, at an angle = 117° between the direction…

A: We will answer the question using the relativistic velocity addition formula. The detailed steps are…

Q: If the velocity of your spaceship goes from 0.3c to 0.6c, then your mass will increase by a. 19% b.…

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Q: Problem 3. One of the predictions of the special theory of relativity is that the "rest mass energy"…

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Q: Suppose a traveler travelled the space at 95% the speed of light. How much time did his twin…

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Q: A star is 16.6 light-years from Earth. ▼ Part A How long would it take a spacecraft traveling 0.950c…

A: Distance is Speed of space vehicle is Find:(a) Time taken by space vehicle as measured by the…