(a) All but the closest galaxies are receding from our own Milky Way Galaxy. If a galaxy 12.0×109 ly ly away is receding from us at 0. 0.900c , at what velocity relative to us must we send an exploratory probe to approach the other galaxy at 0.990c , as measured from that galaxy? (b) How long will it take the probe to reach the other galaxy as measured from the Earth? You may assume that the velocity of the other galaxy remains constant. (c) How long will it then take for a radio signal to be beamed back? (All of this is possible in principle, but not practical.)

Q: The kinetic energy of a deuteron is twelve times greater than its rest energy. (The mass of a…

A: Given,The mass of a deuteron =  3.34 ✕ 10−27kgThe kinetic energy of a deuteron= KE = 12×m0c2Where,…

Q: (a) How much time passes on the astronauts' clocks? | years (b) What is the distance to Alpha…

A: Refer attachment (a) = 1.791 (b) = 1.646

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A:

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Q: The average lifetime of a pi meson in its own frame of reference (i.e., the proper lifetime) is 2.6…

A: (a)The mean life time as measured by the observer on earth can be given as

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Q: 21 The mean lifetime (half-life) of a pi meson in its own frame of reference is 26.0 ns. [This is…

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A: Given :-  distance of lyra and orion from earth = x2 = x1 = 2.5 x 103 cy = 2.5 E 3 cy respectively…

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A: It take 2.083 x 10-4 seconds or 208.3 microseconds for a muon moving as fast as light to traverse…

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A:

Q: All but the closest galaxies are receding from our own Milky Way Galaxy. If a galaxy 12.0 x 109 ly…

A:

Q: An astronaut takes off from Earth and moves at speed 0.99c toward the star Z, which is 26 ly…

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Q: Astronaut Billbarr flees earth in a spaceship traveling at constant velocity to Alpha Centauri.…

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Q: (a) Calculate the classical momentum of a proton traveling at 0.9 effects. (Use 1.67 x 10¬27 for the…

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Q: he average lifetime of a meson in its own frame of reference is 26.0 ns. (This is its proper…

A:

Q: Consider two spaceships moving relative to each other. The relative velocity of each spaceship is…

A:

Q: A distant quasar is found to be moving away from the earth at 0.80c. A galaxy closer to the earth…

A: Given information: The velocity of the quasar, u=0.80c The velocity of the galaxy, v=0.20c

Q: a) if Jim is on a space ship traveling from earth, and the ship takes a 2 year journey at a speed of…

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Q: An observer sees two events 4 x 10¯ºs apart at a separation of 500 m. How fast must a second…

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Q: An alien spaceship traveling at 0.600c toward Earth launches a landing craft with an advance guard…

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Q: After being produced, a neutral pion must travel down a tube that is 100 m long to the experimental…

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Q: Muon. A muon produced by nuclear reaction in a space station is moving at 0.950c towards Earth. Its…

A: Given Velocity (v)      = 0.950 c Life time ∆τ = 2.2×10-6 s

Q: Suppose a spaceship heading straight towards the Earth at 0.685c can shoot a canister at 0.475c…

A:

Q: D a) Suppose your normal resting heart rate is 60 beats per minute. You board a space ship, which…

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Q: The average lifetime of a pi meson in its own frame of reference (i.e., the proper lifetime) is 2.6…

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Q: If the canister is shot directly at Earth, what is the ratio of its velocity, as measured on Earth,…

A:

Q: Inside a spaceship flying past the earth at three-fourths the speed of light, a pendulum is…

A: (a) Given: The swing time measured by an astronaut is 1.80 s. Introduction: Time dilation in the…

Q: Cosmic ray muons are produced high in the atmosphere (at 8000 m, say) and travel toward the earth at…

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Q: A star is 21.6 light-years from Earth. How long wouldit take a spacecraft traveling 0.950c to reach…

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Q: The star Epsilon Eridani is 10.4 light-years from Earth. Imagine a spaceship that travels from Earth…

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A:

Q: The center of our Milky Way galaxy is about 23000 ly away. (a) To eight significant figures, at what…

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Q: Suppose an astronaut travels to a star 10 lightyears away at a significant fraction of the speed of…

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Q: The star 61 Cygni A is 11.4 light-years from Earth. Imagine a spaceship that travels from Earth to…

A: in this question  we determine time in  and distance in light year.

Q: A positive K meson (K+) is an unstable subatomic particle that decays into other particles. At rest,…

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Q: a) Let L be the diameter of our galaxy. Suppose that a person in a spaceship of mass m wants to…

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