Question 1

Assuming you are sitting still as you take this quiz,how would you draw your own worldline on a spacetime diagram?

Accepted Answer

A) as a straight,vertical line 
B) as a straight,horizontal line 
C) as a diagonal line 
D) You would not have a worldline since you are not moving. 
A) as a straight,vertical line 
B) as a straight,horizontal line 
C) as a diagonal line 
D) You would not have a worldline since you are not moving.

Question 2

Which of the following is false?

Accepted Answer

A) The order of events can be different for observers in different reference frames. 
B) From your point of view,time runs slower in the reference frame of anyone moving relative to you. 
C) If one observer measures two events to be simultaneous,all observers must agree on their simultaneity. 
D) Time dilation is an observationally verified fact. 
E) Time runs slower near a black hole. 
A) The order of events can be different for observers in different reference frames. 
B) From your point of view,time runs slower in the reference frame of anyone moving relative to you. 
C) If one observer measures two events to be simultaneous,all observers must agree on their simultaneity. 
D) Time dilation is an observationally verified fact. 
E) Time runs slower near a black hole.

Question 3

Process of Science: What would you say to a friend who thinks that the general theory of relativity is a beautiful example of abstract thinking by humankind that explains extreme phenomena in astrophysics but has no application to everyday life?

Accepted Answer

The map application in your sm

Question 4

Each of the following is a prediction of the theory of relativity (special or general).Which one is crucial to understanding how the Sun provides light and heat to Earth?

Accepted Answer

A) Gravity is curvature of spacetime. 
B) E = mc² 
C) If you observe someone moving by you,you'll see his/her time running slow. 
D) Space is different for different observers.Time is different for different observers.Spacetime is the same for everyone. 
A) Gravity is curvature of spacetime. 
B) E = mc² 
C) If you observe someone moving by you,you'll see his/her time running slow. 
D) Space is different for different observers.Time is different for different observers.Spacetime is the same for everyone.

Question 5

According to general relativity,a black hole is

Accepted Answer

A) an object that cannot be seen. 
B) a hole in the observable universe. 
C) a place where light travels slower than the normal speed of light. 
D) a place where light travels faster than the normal speed of light. 
E) a place where there is no gravity. 
A) an object that cannot be seen. 
B) a hole in the observable universe. 
C) a place where light travels slower than the normal speed of light. 
D) a place where light travels faster than the normal speed of light. 
E) a place where there is no gravity.

Question 6

Each of the following is a prediction of the theory of relativity.Which one is crucial to understanding how the Sun provides light and heat to Earth?

Accepted Answer

A) If you observe someone moving by you,you'll see their time running slowly. 
B) Gravity is curvature of spacetime. 
C) E = mc² 
D) Time runs slower on the surface of the Sun than on Earth. 
E) Space is different for different observers.Time is different for different observers.Spacetime is the same for everyone. 
A) If you observe someone moving by you,you'll see their time running slowly. 
B) Gravity is curvature of spacetime. 
C) E = mc² 
D) Time runs slower on the surface of the Sun than on Earth. 
E) Space is different for different observers.Time is different for different observers.Spacetime is the same for everyone.

Question 7

Process of Science: Describe a piece of observational evidence supporting general relativity.

Accepted Answer

Study of Mercury's precession reveals th

Question 8

Suppose you stay home on Earth and watch a spaceship that leaves on a long trip at a constant acceleration of 1g.
a.At an acceleration of 1g,approximately how long will it take before you see the ship traveling away from Earth at half the speed of light? Explain.(Use g = 9.8 m/s². )
b.Describe how you will see its speed change as it continues to accelerate.Will it keep gaining speed at a rate of 9.8 m/s each second? Why or why not?
c.Suppose the ship travels to a star that is 500 light-years away.According to you back on Earth,approximately how long will this trip take? Explain.

Accepted Answer

a.As long as time dilation is not a majo

Question 9

Which of the following statements is not a prediction of the general theory of relativity?

Accepted Answer

A) Time runs slightly slower on the surface of the Sun than on the surface of Earth. 
B) The Universe has no boundaries and no center. 
C) The curvature of spacetime can distort the appearance of distant objects. 
D) Different observers can disagree about the fundamental structure of spacetime. 
E) A binary star system with two stars orbiting each other rapidly emits gravitational waves. 
A) Time runs slightly slower on the surface of the Sun than on the surface of Earth. 
B) The Universe has no boundaries and no center. 
C) The curvature of spacetime can distort the appearance of distant objects. 
D) Different observers can disagree about the fundamental structure of spacetime. 
E) A binary star system with two stars orbiting each other rapidly emits gravitational waves.

Assuming you are sitting still as you take this quiz,how would you draw your own worldline on a spacetime diagram?

Which of the following is false?

Process of Science: What would you say to a friend who thinks that the general theory of relativity is a beautiful example of abstract thinking by humankind that explains extreme phenomena in astrophysics but has no application to everyday life?

Each of the following is a prediction of the theory of relativity (special or general).Which one is crucial to understanding how the Sun provides light and heat to Earth?

According to general relativity,a black hole is

Each of the following is a prediction of the theory of relativity.Which one is crucial to understanding how the Sun provides light and heat to Earth?

Process of Science: Describe a piece of observational evidence supporting general relativity.

Which of the following statements is not a prediction of the general theory of relativity?

A Modern View of the Universe

Discovering the Universe for Yourself

The Science of Astronomy

Making Sense of the Universe: Understanding Motion, Energy, and Gravity

Light and Matter: Reading Messages from the Cosmos

Telescopes: Portals of Discovery

Our Planetary System

Formation of the Solar System

Planetary Geology: Earth and the Other Terrestrial Worlds

Planetary Atmospheres: Earth and the Other Terrestrial Worlds

Jovian Planet Systems

Asteroids, Comets, and Dwarf Planets: Their Nature, Orbits, and Impacts

Other Planetary Systems: The New Science of Distant Worlds

Our Star

Surveying the Stars

Star Birth

Star Stuff

The Bizarre Stellar Graveyard

Our Galaxy

Galaxies and the Foundations of Modern Cosmology

Galaxy Evolution

The Birth of the Universe

Dark Matter, Dark Energy, and the Fate of the Universe

Life in the Universe

Celestial Timekeeping and Navigation

Space and Time

Building Blocks of the Universe

Filters

Exam 27: Spacetime and Gravity

Assuming you are sitting still as you take this quiz,how would you draw your own worldline on a spacetime diagram?

Which of the following is false?

Process of Science: What would you say to a friend who thinks that the general theory of relativity is a beautiful example of abstract thinking by humankind that explains extreme phenomena in astrophysics but has no application to everyday life?

Each of the following is a prediction of the theory of relativity (special or general).Which one is crucial to understanding how the Sun provides light and heat to Earth?

According to general relativity,a black hole is

Each of the following is a prediction of the theory of relativity.Which one is crucial to understanding how the Sun provides light and heat to Earth?

Process of Science: Describe a piece of observational evidence supporting general relativity.

Which of the following statements is not a prediction of the general theory of relativity?

A Modern View of the Universe

Discovering the Universe for Yourself

The Science of Astronomy

Making Sense of the Universe: Understanding Motion, Energy, and Gravity

Light and Matter: Reading Messages from the Cosmos

Telescopes: Portals of Discovery

Our Planetary System

Formation of the Solar System

Planetary Geology: Earth and the Other Terrestrial Worlds

Planetary Atmospheres: Earth and the Other Terrestrial Worlds

Jovian Planet Systems

Asteroids, Comets, and Dwarf Planets: Their Nature, Orbits, and Impacts

Other Planetary Systems: The New Science of Distant Worlds

Our Star

Surveying the Stars

Star Birth

Star Stuff

The Bizarre Stellar Graveyard

Our Galaxy

Galaxies and the Foundations of Modern Cosmology

Galaxy Evolution

The Birth of the Universe

Dark Matter, Dark Energy, and the Fate of the Universe

Life in the Universe

Celestial Timekeeping and Navigation

Space and Time

Building Blocks of the Universe

Filters