Suppose you stay home on Earth while your twin sister takes a trip to a distant star and back in a spaceship that travels 80% c. If both of you are 25 when she leaves and you are 40 when she returns, how old is your sister when she gets back?

Q: Suppose a particle called a kaon is created by cosmic radiation (high-energy protons of unknown ori…

A: Givenv=0.989c∆to=1.238×10-8 s

Q: Suppose a rocket starts from rest on Earth (frame S) and accelerates at a rate of 1000 m/sec² (as…

A: To solve this problem, we can use the principles of special relativity. We can start by calculating…

Q: An alien leader is watching Earth sitcoms transmitted to a distant planet. The season finale of the…

A: Speed of radio wave = 186,000 miles per second Distance between earth and planet = vx time = 186000…

Q: A spaceship travels at 0.79c, where c is the speed of light. The journey takes 2 years according to…

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Q: (a) How much time (in years) does the trip from Earth the AD Leonis take, as measured by an observer…

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Q: A plane has lights on its nose and tail which are set to flash every 3 seconds (in the plane's frame…

A: Given,Lets take the flashing of light at the nose and tail as 2 events A and B respectively.The two…

Q: A spaceship equipped with a chronometer is sent on a round-trip to Alpha Centauri, 4.4 light-years…

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Q: You are on a spacecraft traveling away from the earth at 0.80 c�. A beacon on earth flashes exactly…

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Q: As the vehicle goes into space, a pilot passes by you at a constant speed of 0.840 c. As the pilot…

A: It is an actual time lapse between two events, it varies from observer to observer as measured by…

Q: If a spaceship, approaching the Earth at 0.190c, sends a message capsule toward the Earth at 0.390c…

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Q: How much time did Carl spend on his calculation?

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Q: Sean & Shawn are in a laboratory in Earth's rest frame and say that Mo & Neji's spaceship's…

A: The ratio of the speed of spaceship to the speed of light is 0.750Explanation:

Q: You are traveling in a spaceship at a speed of 0.86c away from Earth. You send a laser beam toward…

A: Given Speed of person in spaceship with respect to earth = VPE = 0.86c (away from Earth) SSpeed of…

Q: The identical twins Speedo and Goslo join a migration from the Earth to Planet X, which is 20.0…

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

A: Given data :  Speed, v = 0.99c  Distance, S = 26 ly = 26× 9.461×1015 meter  To find :  Time when…

Q: How fast (relative to the ship) must it be fired for it to travel at 0.942c relative to Earth? When…

A: The velocity of the rocket with respect to the ship is known as primed velocity.  The velocity of…

Q: You are on a spacecraft traveling away from the earth at 0.75 c�. A beacon on earth flashes exactly…

A: Step 1: spacecraft would travel distance of 0.75c before receiving the next flash.  Step 2: Light…

Q: Fred and George are 19.0 years of age when they left earth to travel to a distant planet 12.0…

A: GIVEN: Age of both twins Fred and George =19 yrs distance d =12 ly speed of Fred  v1 =0.9c speed of…

Q: In their common rest frame, two stars are 92.0 light-years (ly) apart. If they are 36.0 apart as…

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Q: A ship sent from earth has been traveling to a distance planet at a speed of 0.92c. The proper time…

A: Step 1: Step 2: Step 3: Step 4:Step 5:Step 6:Step 7:Step 8:

Q: An apartment complex is 100 yards long as measured on earth. What length will an astronaut measures…

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Q: Imagine some wombat astronauts sleeping on a brand new Space-X spaceship and thus “traveling into…

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Q: A spacecraft is moving at speed 0.68c relative to two star systems- star system A and star system B…

A: Speed of spacecraft relative to star systems = v = 0.68c Travel time according to spacecraft to=…

Q: How fast would I have to travel past you so that you would observe one each tick on my watch (1…

A: Given: The proper time interval is 1 s The dilated time interval is 1.1 s The velocity of the light…

Q: As you pilot your space utility vehicle at a constant speed toward the moon, a race pilot flies past…

A: Relative Speed of the race pilot is v = 0.830c  d = 1.13×10⁸ m

Q: Fatima ad Eric are on earth and in their rest frame, a spaceship traveling at 0.963 c takes 11.7…

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Q: Two spaceships are moving away from Earth in opposite directions, one at 0.83*c, and one at 0.83*c…

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Q: A spaceship is moving between two distant stars at 0.802c. To someone in the ship, the distance…

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Q: I need help on question 8?

A: Question no 8

Q: If a spaceship, approaching the Earth at 0.300c, sends a message capsule toward the Earth at 0.410c…

A: The given data we have: Velocity of the ship: 0.300c Velocity of the capsule: 0.410c   We need to…

Q: 2. a) The average life span for a dog is 12 years. Ifa dog is placed on a space ship traveling at…

A: (a) Given: The average life span for a dog is 12 years. The speed of the spaceship is 0.998c.…

Q: While flying past a space station at 0.500c, and at precisely 6.00 seconds before arriving at the…

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Q: Twins who are 19.0 years of age leave the earth and travel to a distant planet 12.0 light-years…

A: GIVEN: Age of both twins=19 yrs distance d =12 ly speed of one boy v1 =0.905c speed of another boy…

Q: A 1 km spacecraft is racing towards the Sun at 0.75c. Using equations given in class, calculate the…

A: Given- Length of spacecraft (Lo) = 1 km = 1000 m Speed of spacecraft (v) = 0.75 c

Q: An astronaut takes a light emitting beacon in a spaceship travelling at 0.87 c away from a…

A: Time dilation is the slowing down of a clock for an observer in relative motion w.r.t. to a…

Q: Two friends, Sungyoung and Azhar are initially 10 years old. While Azhar remains on Earth, Sungyoung…

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Q: You travel in a 2,500,000 kg spacecraft from Earth to our closest neighbouring star, Proxima…

A: Page 1

Q: The control panel on a spaceship contains a light that blinks every 1.51 s as observed by an…

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Q: Michale is decided to buy a ticket to go to space. After meticulously planning his journey, he…

A: World Line of the trip.

Q: A laser beam moving at velocity c relative to us is turned on just as three (hypothetical) observers…

A: We will first write the expression, which relates the velocities of a particle, as observed in two…

Q: An astronaut on a space station is moving away from earth at 0.6 c. A spacecraft manned by a…

A: According to the special theory of relativity, the time dilation is given by, ∆t = γ∆t0 ; γ = 11 -…

Q: Your clocks and calendars are synchronized with the clocks and calendars in a star system exactly 10…

A: The distance between the star and the earth, d=10 ly   So, the time is taken for light…

Q: A group of astronauts travel to a nearby star system and back to earth at a velocity of 0.98c (98%…

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