You fly 5000 km across the United States on an airliner at 250 m/s. You return two days later at the same speed. Have you aged more or less than your friends at home? By how much?

Q: A 1.0 g particle has momentum 4 x 105 kg m/s. What is the particle's speed in m/s? What is this…

A: The expression for momentum, P is P=mv. Here m and v are the mass and velocity respectively.…

Q: A man standing at a window 6 meters tall watches a falling stone pass by the window in 0.413 secs.…

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Q: You encounter a moving walkway that is 75 mm long and has a speed of 1.9 m/sm/s relative to the…

A: Given value--- speed of walkway = 1.9 m/s. distance = 75 m. We have to find --- How long would it…

Q: (a) How many meters are there in 1.00 light-year? (b) An astronomical unit (AU) is the average…

A: Speed of light, v=2.988×108m/s

Q: A rocket ship has a mass of 1.50 x 105 kg. Its relativistic momentum is 3.00 x 1012 kg•m/s. How fast…

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Q: Many expressions in special relativity contain the gamma (y) factor. 1 Y = v²lc² In the equation, v…

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Q: A boat takes 3.00 hourshours to travel 50.0 kmkm down a river, then 6.10 hourshours to return. How…

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Q: a clock on a space rocket ticks off at a time interval of 1hour. what is the time elapse on earth…

A: Time dilation                      ∆t' = ∆t1-v2c2 where v is the velocity

Q: The velocity of a particle in reference frame A is (2.0i ^ + 3.0j ^ ) m/s. The velocity of reference…

A: Velocity of the particle with respect to frame B

Q: The second postulate of special relativity says that the speed of light in empty space is…

A: According to special theory of relativity speed of light is constant and equal to c. c= 3×108 m/s

Q: The kinetic energy of a particle of mass m traveling with speed v is equal to K. What is the kinetic…

A: If m is the mass and v is the velocity ,the kinetic energy K=12mv2 When m=m2 and v=2v ,the new…

Q: Starship "Alpha" is traveling at 0.8c (γ = 5/3) with respect to the identical starship "Beta." Each…

A: Given: Starship "Alpha" is travelling at 0.8c (γ = 5/3) with respect to the identical starship…

Q: The sidewalk is 50.0 m long and is moving at 1.25m/s. How long will it take a passenger walking at…

A: Given data: Length of sidewalk is, d=50.0 m. Speed during side walk is, v1=1.25 m/s. Speed of…

Q: If you lived in a world where people regularly traveled at speeds near the speed of light, why would…

A: The people traveling at a speed close to the speed of light would see a clock that shows time is…

Q: You are standing at x = 9.0 km. Lightning bolt 1 strikes at x = 0 km and lightning bolt 2 strikes at…

A: Given data: Your position, x=9.0 km=9×103m Bolt-1 strikes at x=0 km=0 m Bolt-2 strikes at x=12.0…

Q: Many expressions in special relativity contain the gamma (y) factor. 1 y = V1 – 04c2 In the…

A: We have γ=11-v2c2 where,v= velocity.            c=speed of ligth.

Q: severely injured Peter can only live for the next 3.5 hours. Before dying, he wants to go back to…

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Q: The rest energy E of an object with rest mass m is given by Albert Einstein’s famous equation E =…

A: Dear student The rest energy of an electron is given by: E = mc2 Here m = mass  C = speed of light

Q: Why is it impossible for any object with mass to move as fast as the speed of light?

A: Write the Einstein’s equation for the relation of energy and mass of a particle. From the above…

Q: How many minutes Raman will take to cover a distance of 400 meters if he runs at a speed of 20 km/hr…

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Q: A UFO Strikes across the sky at a speed of 0.90c relative to the earth. A person determines the…

A: Given data: Speed of UFO relative to earth is, v=0.90c. Length of UFO determined during the motion…

Q: an asteroid with a mass of 8.2x10^11 kg is observed to have a relativistic momentum of the magnitude…

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Q: A moving spaceship is measured by a stationary observer to have a length that is four-fifths of its…

A: Given, A moving spaceship is measured by a stationary observer to have a length that is four-fifths…

Q: A cosmic ray travels 60 km through the earth’s atmosphere in 400 μs, as measured by experimenters on…

A: The velocity of cosmic ray is, v=dtv=60×103 m400×10-6 sv=1.5×108 m/s

Q: An extraterrestrial spaceship is moving away from the earth after an unpleasant encounter with its…

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Q: A rocket is travelling from earth through space at a speed of 2.7x10^8m/s. The pilot measures the…

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Q: How much work must be done on an electron to accelerate it from rest to a speed of 0.991c?

A: calculation

Q: Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving…

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Q: If you were looking in a mirror while traveling at the speed of light, you would see Group of answer…

A: Speed of light is constant having value 3 × 108 m/s.

Q: An elementary particle of mass 9.5 x 10-27 kg is moving at speed 9 x 107 m/s. (A) Its relativistic…

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Q: According to the principles of special relativity (there may be more than one correct choice), A.…

A: n the given station we have to discuss about the principle of special relativity.

Q: (2) Two cars are 150 kilometres apart and travelling toward each other. One car is moving at 60 km/h…

A: The expression for the speed is written as, Here, d and t represent the distance and time,…

Q: What is the momentum of a proton traveling at v=0.68 c ?

A:

Q: . A rocket with a mass of 2.30×1062.30×106 kg has a relativistic kinetic energy of…

A: Consider the rest mass of a rocket is denoted by m0 and its relativistic kinetic energy is denoted…

Q: A 20-year-old woman takes a trip on a rocket, leaving her 20-year-old twin brother behind. She…

A: It is given that,

Q: how far can light travel in 90 minutes?

A: Given data: The light’s speed is: c = 300000 km/s The time is: t = 90 minutes The distance travelled…