Astronomers discover a planet orbiting around a star similar to our sun that is 20 lightyears away. How fast must a rocket ship go if the round trip is to take no longer than 40 years in time for the astronauts aboard?

Q: A Space Shuttle which is 60 meters in length flies past you at 1.2 x 104 m/s. How much shorter is it…

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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

Q: Travel to the stars requires hundreds or thousands of years, even at the speed of light. Some people…

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

Q: If astronauts could travel at  v = 0.938c,  we on Earth would say it takes  (4.20/0.938) = 4.48…

A: a)The time-dilation is equation is given by,

Q: A 1 kg block is attached to vertical rod by means of two strings. When the system rotates about the…

A: Option c is correct

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

A:

Q: A particle has a mass of  3.4E-28kg is propagating at relativistic speeds and has an energy of…

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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: The starship Enterprise is passing the planet Vondor when it is discovered that a Klingon spy has…

A: Speed of ship = 0.99 cTime after which bomb explode = 1 day in ship's frame Distance between Vondor…

Q: A navigational beacon in deep space broadcasts at a radio frequency of 44 MHz. A spaceship…

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Q: A spaceship travels at a constant speed from Earth to a planet orbiting another star. When the…

A: Step 1:

Q: V A A 0 t 2 4 5 B 2. Two identical objects, A and B, move along straight, parallel, horizontal…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: Rigel, which is in the constellation of Orion, is 770 ly away. You plan a sight-seeing vacation for…

A: Given  d = 770 ly Light year (ly) is definined as distance travelled by light in a year . Speed of…

Q: If astronauts could travel at v = 0.902c, we on Earth would say it takes  (4.20/0.902) = 4.66 years…

A: Here we will apply Time dilation formulae

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: stant speed a planet orbiting years have elapsed on earth, and 9.6 years have elapsed on board the…

A: ACCORDING TO QUETION - WE TRY LEARN ABOUT TIME ELAPSED  Time takenby the spaceship to reach the…

Q: spacecraft is moving relative to the Earth and an observer on Earth finds that between exactly…

A: solution

Q: A proton travels at 99.9936% of the speed of light. An antiproton travels in the opposite direction…

A: Given data: The speed of proton is vp=99.9936%c. The speed of antiproton is vap=99.9936%c.

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: The Starship Enterprise returns from warp drive to ordinary space with a forward speed of 51 km/s.…

A:

Q: A  signal generator in  space broadcasts at a radio frequency of 50.5 MHz. Jason is in a spaceship…

A: The frequency that Jason detects : fo = 20,596,727 MHzExplanation:Approach to solving the…

Q: Astronomers view light coming from distant galaxies moving away from Earth at speeds greater than…

A: Ever since the Big Bang the universe started expanding at a rapid rate. Everything in the universe…

Q: The distance from earth to the center of our galaxy is about 33,000 ly (1 ly = 1 light year = 9.47 x…

A: 1 ly = 9.47 x 1015 m 1 yr = 3.16 x 107 s L0 = distance between earth and center of galaxy = 33,000…

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: 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: If astronauts could travel at v = 0.932c, we on Earth would say it takes (4.20/0.932) = 4.51 years…

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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 36,000-kg spaceship is to travel to the vicinity of a star6.6 light-years from Earth. Passengers…

A: Given, Mass, m=36000 kg, and distance, l0=6.6 light years.

Q: The spaceship Lilac, based on the Purple Planet, is 741 m long when measured at rest. When the Lilac…

A: Givenoringinal length (L0) = 741 mcontracted length (L) = 681 m

Q: Particle-X has a speed of 0.730 c and a momentum of 6.240x10-19 kgm/s. What is the mass of the…

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

A:

Q: A Space Shuttle which is 60 meters in length flies past you at 1.2 x 104 m/s. How much shorter is it…

A:

Q: A spaceship travels at a constant speed from earth to a planet orbiting another star. When the…

A:

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…

Q: 1. Voyager rocket is traveling between Earth and Jupiter (distance  8.013x1010 m). If Voyager probe…

A: FGgg

Q: Millennium Falcon is approximately

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Q: our friend and you fly in identically constructed spacecrafts. She overtakes you at a constant…

A: Concept used: At relativistic speeds, length gets contracted. Time gets dilated.

Q: The spaceship Lilac, based on the Purple Planet, is 711 m long when measured at rest. When the Lilac…

A: Length of the spaceship Lilac at rest,  Lo=711 m When Lilac passes Earth, observers there measure…