The Andromeda galaxy is 2 million light years away from the Milky Way. although nothing can go faster than the speed of light, it would still be possible to travel to AndroMeda in much less than 2 million years. How?

Q: A 12500 kg (rest mass) spaceship is travelling at 0.99 c. What is the spaceship kinetic energy? (0/1…

A: The question can be solved as follows

Q: (a) According to the theory of special relativity, what is the difference between their ages when…

A: GIVEN: Age of both twins=19 yrs distance d =12 ly speed of one boy v1 =0.832c speed of another boy…

Q: lighthouse sweeps its beam of light around in a circle once every 7.6 s. To an observer in a…

A: Given, Time interval, ∆t=7.6s ∆t'=16s

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A: Part E- If the rocket ship’s speed is 0.990c, the time measured by the people on the earth is given…

Q: A certain star is 10.6 light-years away (A light-year is the distance that light travels in one…

A: distance of a certain star =  10.6 light years1 light year = 9.5×1015 m speed of spaceship (v) =…

Q: A spaceship has a proper length of 48.41m. It is currently passing by the Earth moving at 55.8% of…

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Q: A spaceship travels to a distant star at relativistic speed. As measured by observers on Earth, the…

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Q: In the alternate universe, how fast must an object be moving for it to have a kinetic energy equal…

A: Given: In the alternate universe, how fast must an object be moving for it to have a kinetic energy…

Q: (a) What is the speed (in m/s) of spaceship B relative to spaceship A? (Enter your answer to at…

A: Einstien's velocity addition theorem The relative velocity of two objects never exceeds the velocity…

Q: In Figure 1a, a cosmonaut measures the time interval Ato between successive ticks of his clock. In…

A: The great scientist Einstein made a notion that speed of light is constant. It could not be…

Q: A student asserts that a material particle must always have a speed slower than that of light, and a…

A: Yes, a material particle must always have a speed slower than that of light and a massless particle…

Q: Classical Relativity. A moving sidewalk 95 m in length carries passengers at a speed of 0.53 m/s.…

A: When an object is moving with speed v on a surface that is moving with another speed v' in the same…

Q: The fastest spaceship ever launched was the Helios 2 spacecraft. At its closest approach to the sun,…

A: Given:_          velocity of the object v=69,000m/s

Q: A spaceship travels to a distant star at relativistic speed. As measured by observers on Earth, the…

A: The velocity of spaceship is, v=dt=1.5 ly9.461×1015 m1 ly1.8 yr3.154×107 s1 yr=14.1915×1015…

Q: A student asserts that a material particle must always have a speed slower than that of light, and a…

A: The mass less particle cannot accelerate since no force acts on it since F=ma, and its mass is 0,…

Q: The speeds of John and Max are 30 km/h and 40 km/h. Initially Max is at a place L and John is at a…

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Q: During an experiment, a signal from a spaceship reached the ground station in five minutes. What was…

A: Given that the signal travels in a straight line, the distance between the spaceship and the ground…

Q: My question is about special relativity. triangle moves along the x-axis at a speed of 0.6c. What…

A: Given: The speed with which the triangle is moving along the x-axis is 0.6c. Introduction: Length…

Q: 27. The figure shows the velocity of two spaceships as measured by an observer on earth. What is the…

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Q: A ball is dropped off an 80 meter cliff on a planet much like our own.The height of the ball t…

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

A: The objective of the question is to find out the fraction by which the length of a meter stick is…

Q: A moving spaceship measures 20m long, but according to an observer at rest looking at it, it seems…

A: Given value--- moving spaceship measures 20m long. an observer at rest looking at it, it seems to…

Q: There is a galactic, royal wedding in El Candrea. Maria Isabela, the princess of andalusia prima…

A: Given,Maximum or final speed ,vf = 5×102 km/s = 5×105 m/sInitial speed , vi = 5×101 km/s = 5×104…

Q: You fly past the Earth at high speed, and observe a ruler lying on the ground, labelled as "1 meter…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

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

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Q: You are on an interstellar mission from the Earth to the 8.7 light-years distant star…

A: (a) since the space ship travels at a speed comparable to the speed of light, the distance to the…

Q: GPS satellites orbit the earth at a speed of approximately 3900 m/s, compared to our speed on the…

A: Solution: Given: c = speed of light = 2.99792000 x 108 m/s  1 day = 24 h x 60 min/h x 60 s/min =…

Q: please help: As measured in Earth's frame of reference, two planets are 384000 km apart. A spaceship…

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Q: Stand next to a wall that travels at 30 km/s relative to the Sun. With your feet on the ground, you…

A: When the feet are on the ground, we also travel with the same speed as the wall, that is 30 km/s…

Q: An alien spaceship has a mass ofm= 3.2×109kg, and according to the crew, onboard the bow-to-stern…

A: mass of spaceship (m) = 3.2×109 kg Length measured onboard (Lo) = 680 m Length measured by…

Q: Two identical spaceships with proper lengths of 168 m are launched from Earth. Spaceship A is…

A: The velocity transformation equation is:ux'=ux-v1-uxvc2………(1)where,v is the relative speed between…

Q: Suppose we want to send an astronaut on a round trip to visit a star that is 200 light-years distant…

A: As per the theory of special relativity time measured in a moving frame will be slower than the time…

Q: You wish to make a round trip from Earth in a spaceship, traveling at constant speed in a straight…

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Q: distance of the spaceship from the ground station?

A: Given,  During an experiement,  Signal from a spaceship reached the ground station,  t =5…

Q: A ship moves at a constant speed between Earth and Alpha Centauri, 4.2 light years away. According…

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Q: A space shuttle orbits earth at 5 miles/second. A clock moving past us at that speed will lose time…

A: The time dilation formula is given by: T0 = T / √(1 - (v^2/c^2)) where T0 is the time on the moving…

Q: A futuristic trip from Earth to Alpha Centauri is taking place. The travellers start on Earth, from…

A: To find the proper time that Team A measures during their trip, we can use the equation for proper…

Q: A car travels in the positive ?-direction in the reference frame ? at an ordinary speed. The…

A: When objects move at a velocity closer to light their measured length will appear shorter than its…

Q: Astronomers discover a planet orbiting around a star similar to our sun that is 20 lightyears away.…

A: As per the special theory of relativity, time is not absolute but relative. This means time measured…

Q: Martians ships will take 400 years to each earth, but they sent a scout that is to fly by our moon…

A: It is known that if a body is moving in a constant velocity 'V' for a certain time 't' , then the…