Which Of The Following Best Describes Why Your Rocket Could Never Reach The Speed Of Light?

Which Of The Following Best Describes Why Your Rocket Could Never Reach The Speed Of Light??

Which of the following best describes why your rocket could never reach the speed of light? The absoluteness of the speed of light means you could never keep up with the light coming from you and your rocket.

How would we view time clocks on the spaceship as it goes by?

A spaceship is moving past us at a speed close to the speed of light. How would we view time (clocks) on the spaceship as it goes by? Time is the same for everyone. Their clocks are going at the same rate as ours.

Which of the following best describes the current scientific view of possibilities of travel to distant parts of our galaxy?

Which of the following best describes the current scientific view of possibilities of travel to distant parts of our galaxy (or universe) with such things as hyperspace wormholes or warp drive? … It is possible to travel through wormholes.

Which of the following statements best describe what is relative in the theory of relativity?

Which of the following statements best describes what is “relative” in the theory of relativity? The theory says that truth can never be established in any absolute sense. The theory says that the speed of light is relative and depends on who is measuring it.

Which of the following must be true of a person who shares the same reference frame as you quizlet?

Which of the following must be true of a person who shares the same reference frame as you? The person must not be moving relative to you. Bob is coming toward you at a speed of 75 km/hr. … Different observers can disagree about the speed of a baseball but they cannot disagree about the speed of a light beam.

Does time really exist?

So yes time exists. … As to how it works we certainly learned a lot in the past century or so with the discovery of relativity theory in particular and the realization that time and space are inseparable aspects of the same fundamental reality the spacetime in which we live.

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Does time go faster in space?

Time dilation goes back to Einstein’s theory of special relativity which teaches us that motion through space actually creates alterations in the flow of time. … The clock in motion will tick more slowly than the clocks we’re watching on Earth.

Is the Milky Way galaxy moving?

The Milky Way as a whole is moving at a velocity of approximately 600 km per second with respect to extragalactic frames of reference. The oldest stars in the Milky Way are nearly as old as the Universe itself and thus probably formed shortly after the Dark Ages of the Big Bang.

How can you tell whether you are following the straightest possible path through spacetime?

How can you tell whether you are following the straightest possible path through spacetime? If you are floating freely then your worldline is following the straightest possible path through spacetime. If you feel weight then you are not on the straightest possible path.

Which of the following best describes what we mean by a wormhole?

Which of the following best describes what we mean by a worm hole? A hypothesized but unproven type of “tunnel” through hyperspace that connects distant points in the real universe.

Which two things are the same for all observers according to the theory of relativity?

Central Postulates of Relativity: The laws of physics are the same for all uniformly moving observers. The speed of light is the same for all observers.

What does the famous formula E mc2 have to do with special relativity?

Einstein’s theory of special relativity (1905) shows that matter (as mass) and energy can be converted into each other according to the famous equation E = mc2 where E is energy m is mass and c is the speed of light.

How does the explosion of a nuclear bomb provide evidence for the theory of relativity?

How does the explosion of a nuclear bomb provide evidence of the theory of relativity? The bomb produces energy in accord with E = mc2 which is part of the theory of relativity. A man is moving by you at a speed close to the speed of light. … The predictions of special relativity can sound implausible at first.

Which of the following best describes why your rocket could never reach the speed of light quizlet?

Which of the following best describes why your rocket could never reach the speed of light? The absoluteness of the speed of light means you could never keep up with the light coming from you and your rocket.

Which theory was Albert Einstein working on when he died?

the Theory of Relativity

The unpredictable results of the Theory of Relativity.

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He knew he was dying yet he continued his work. In those final hours of his life while fading in and out of consciousness he was working on what he hoped would be his greatest work of all. It was a project of monumental complexity.

What is the equivalence principle give an example that clarifies its meaning quizlet?

Give an example that clarifies its meaning. The equivalence principle is what says acceleration and gravity are the equivalent. … gravity curves space and light always follows the straightest possible path through space. gravitational waves. Gravitational waves are predicted by Einstein’s general theory of relativity.

Can you go back in time?

The Short Answer: Although humans can’t hop into a time machine and go back in time we do know that clocks on airplanes and satellites travel at a different speed than those on Earth. … NASA’s space telescopes also give us a way to look back in time. Telescopes help us see stars and galaxies that are very far away.

How many dimensions are there?

The world as we know it has three dimensions of space—length width and depth—and one dimension of time. But there’s the mind-bending possibility that many more dimensions exist out there. According to string theory one of the leading physics model of the last half century the universe operates with 10 dimensions.

Why Is time an Illusion?

According to theoretical physicist Carlo Rovelli time is an illusion: our naive perception of its flow doesn’t correspond to physical reality. … He posits that reality is just a complex network of events onto which we project sequences of past present and future.

Is an hour in space 7 years on Earth?

The first planet they land on is close to a supermassive black hole dubbed Gargantuan whose gravitational pull causes massive waves on the planet that toss their spacecraft about. Its proximity to the black hole also causes an extreme time dilation where one hour on the distant planet equals 7 years on Earth.

Has anyone died in space?

A total of 18 people have lost their lives either while in space or in preparation for a space mission in four separate incidents. Given the risks involved in space flight this number is surprisingly low. … The remaining four fatalities during spaceflight were all cosmonauts from the Soviet Union.

How long is 1 second in space?

It is defined as the distance that light travels in free space in one second and is equal to exactly 299 792 458 metres (983 571 056 ft).

Use in astronomy.
Unit light-hour
Definition 60 light-minutes = 3600 light-seconds
Equivalent distance in m 1079252848800 m
km 1.079×109 km

How old is the earth?

4.543 billion years

How fast is the Earth turning?

roughly 1 000 miles per hour
The earth rotates once every 23 hours 56 minutes and 4.09053 seconds called the sidereal period and its circumference is roughly 40 075 kilometers. Thus the surface of the earth at the equator moves at a speed of 460 meters per second–or roughly 1 000 miles per hour.

Do all planets rotate?

The planets all revolve around the sun in the same direction and in virtually the same plane. In addition they all rotate in the same general direction with the exceptions of Venus and Uranus. These differences are believed to stem from collisions that occurred late in the planets’ formation.

What causes gravitational lensing quizlet?

What causes gravitational lensing? The gravity of an object bends the space around it so light travelling in that space curves too.

Is gravitational lensing real?

As the light emitted by distant galaxies passes by massive objects in the universe the gravitational pull from these objects can distort or bend the light. Strong gravitational lensing can actually result in such strongly bent light that multiple images of the light-emitting galaxy are formed. …

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What evidence supports the predicted existence of gravitational waves?

What evidence supports the predicted existence of gravitational waves? Gravitational waves have been detected by observing their effect on large masses suspended on the earth. The energy generated by gravitational waves from the Sun can be seen as it is absorbed by Jupiter.

What did Einstein say about wormholes?

Einstein and Rosen found that theoretically every black hole is paired with a white hole. Because the two holes would exist in separate places in space a tunnel — a wormhole — would bridge the two ends.

Why are wormholes called wormholes?

Theoretical physicists have hypothesized the existence of such shortcuts through spacetime since the 1930s originally calling them white holes and eventually Einstein-Rosen bridges. … Since the name “Einstein-Rosen bridges” is a bit dry they became more commonly known as wormholes.

What is a wormhole quizlet?

What is a Wormhole? a connection between two points in time and/or space. … when the gravity of a black hole becomes so intense that it attracts other points in space and time (that are probably black holes) and bends the universe.

Which two things are the same for all observers according to the theory of relativity quizlet?

1) The laws of physics are the same for all observers within their own inertial reference frame. 2) The speed of light in a vacuum is the same for all observers regardless of their relative motion or the motion of the source of the light.

How could two observers measure a different speed for the same moving object?

Special Relativity. Velocity Addition: If observers in two different frames of reference (that are in motion relative to each other) are observing motion of the same object they will both measure it to be traveling at different speeds.

Why is the speed of light same for all observers?

The speed of light in vacuum is the same in all inertial reference frames. … According to Special Relativity as a frame goes faster it shortens more in the direction of motion relative to the stationary observer. In the limit that it travels at exactly the speed of light it contracts down to zero length.

Why can’t you go faster than light?

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