Pearson eText for College Physics: Explore and Apply -- Instant Access (Pearson+)
2nd Edition
ISBN: 9780137443000
Author: Eugenia Etkina, Gorazd Planinsic
Publisher: PEARSON+
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Textbook Question
Chapter 26, Problem 12MCQ
Multiple Choice Questions
Which of the blue world lines in the spacetime diagrams in Figure Q26.12 represent motion of an object that is impossible? The straight black line on each diagram represents a light pulse traveling in the +
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Students have asked these similar questions
An astronaut on a rocket ship is headed straight for another galaxy and
an observer is standing on Earth. If they both shine a flashlight
simultaneously as the rocket ship is moving away at a large speed,
which of the following is true?
A. The person on the rocket measures a higher velocity for the light
from the flashlight.
B. The person on the Earth measures a higher velocity for the light
from the flashlight.
C. They both measure the same velocity of light.
D. It cannot be determined without additional information.
Part A
The distance to a particular star, as measured in
he earth's trame of reference, is 734 ly (1 light
year is the distance light travels in 1 y). A
spaceship leaves earth headed for the star, and
takes 3.66 y to arrive, as measured by passengers
on the ship
How long does the trip take, according to observers on oarth?
Express your answer in years.
y
Submit
Request Answer
Part B
What distance for the trip do passengers on the spacecraft measure? (Hint What is the speed of light in units of ly/y)
Express your answer in light years.
ly
Submit
Beavest Anewer
TRUE OR FALSE: Write TRUE if the statement is correct and FALSE if otherwise.
1.
Lorentz factor effect is only noticeable when the object is moving at great speed.
2.
The dilated time will always have a value greater than the proper time.
3. Presbyopia is a disoder where the person have distorted or blurred vision at any distance
Time dilation is only observable to a reference frame moving near the speed of light.
Time dilation happens in any speed.
4.
5.
Chapter 26 Solutions
Pearson eText for College Physics: Explore and Apply -- Instant Access (Pearson+)
Ch. 26 - Review Question 26.1 Why is the historical role of...Ch. 26 - Review Question 26.2 Alice is standing on the...Ch. 26 - Review Question 26.3 You hear in your physics...Ch. 26 - Review Question 26.4 You are on a train eating an...Ch. 26 - Prob. 5RQCh. 26 - Prob. 6RQCh. 26 - Prob. 7RQCh. 26 - Review Question 26.8 Why must the classical...Ch. 26 - Prob. 9RQCh. 26 - Prob. 10RQ
Ch. 26 - Prob. 11RQCh. 26 - Prob. 12RQCh. 26 - Prob. 1MCQCh. 26 - Multiple Choice Questions
2. On what did Michelson...Ch. 26 - Multiple Choice Questions Physicists explained the...Ch. 26 - Multiple Choice Questions
4. What is a proper time...Ch. 26 - Prob. 5MCQCh. 26 - Prob. 6MCQCh. 26 - Prob. 7MCQCh. 26 - Prob. 8MCQCh. 26 - Multiple Choice Questions
9. The measurement of...Ch. 26 - Prob. 10MCQCh. 26 - Prob. 11MCQCh. 26 - Multiple Choice Questions Which of the blue world...Ch. 26 - What is an inertial reference frame? How can you...Ch. 26 - 14. Give an example of a phenomenon that an...Ch. 26 - 15. Explain the difference between a proper...Ch. 26 - Prob. 16CQCh. 26 - What does it mean to say that the speed of...Ch. 26 - You move toward a star at a speed of 0.99c. At...Ch. 26 - 19. You pass Earth in a spaceship that moves at...Ch. 26 - It takes light approximately 1010 years to reach...Ch. 26 - Prob. 21CQCh. 26 - Name several ways in which your life would be...Ch. 26 - Prob. 23CQCh. 26 - The classical equation for calculating kinetic...Ch. 26 - How did the Doppler effect for light help...Ch. 26 - Prob. 26CQCh. 26 - Prob. 27CQCh. 26 - Prob. 1PCh. 26 - Prob. 2PCh. 26 - Prob. 3PCh. 26 - Prob. 4PCh. 26 - Prob. 5PCh. 26 - Prob. 6PCh. 26 - Prob. 7PCh. 26 - Prob. 8PCh. 26 - Prob. 9PCh. 26 - Prob. 10PCh. 26 - 26.3-26.6 Simultaneity, Time Dilation, Length...Ch. 26 - Prob. 12PCh. 26 - Prob. 13PCh. 26 - 26.3-26.6 Simultaneity, Time Dilation, Length...Ch. 26 - 26.3-26.6 Simultaneity, Time Dilation, Length...Ch. 26 - 26.3-26.6 Simultaneity, Time Dilation, Length...Ch. 26 - Prob. 17PCh. 26 - 26.3-26.6 Simultaneity, Time Dilation, Length...Ch. 26 - 26.3–26.6 Simultaneity, Time Dilation, Length...Ch. 26 - Prob. 20PCh. 26 - Prob. 21PCh. 26 - 26.3-26.6 Simultaneity, Time Dilation, Length...Ch. 26 - Prob. 23PCh. 26 - Prob. 26PCh. 26 - Prob. 27PCh. 26 - Prob. 28PCh. 26 - Prob. 30PCh. 26 - Prob. 31PCh. 26 - Prob. 32PCh. 26 - 26.9 Relativistic Energy
33. Determine the ratio...Ch. 26 - Prob. 34PCh. 26 - 26.9 Relativistic Energy * At what speed must an...Ch. 26 - Prob. 36PCh. 26 - Prob. 37PCh. 26 - Prob. 38PCh. 26 - Prob. 39PCh. 26 - Prob. 40PCh. 26 - Relativistic Energy * A particle originally moving...Ch. 26 - Prob. 42PCh. 26 - 26.9 Relativistic Energy
43. ** A particle of mass...Ch. 26 - Prob. 44PCh. 26 - Relativistic Energy * Mass equivalent of energy to...Ch. 26 - Prob. 46PCh. 26 - Prob. 47PCh. 26 - Prob. 48PCh. 26 - Prob. 49PCh. 26 - Relativistic Energy 109kg of mass to energy (b)...Ch. 26 - 26.10 Doppler Effect for EM Waves
52. Why no color...Ch. 26 - Prob. 53PCh. 26 - Prob. 54PCh. 26 - Prob. 55PCh. 26 - Prob. 56PCh. 26 - Prob. 57PCh. 26 - 58.* Boat trip A boat's speed is 10 m/s. It makes...Ch. 26 - * Space travel An explorer travels at speed...Ch. 26 - ** A pilot and his spaceship of rest mass 1000 kg...Ch. 26 - * Alice's friends Bob and Charlie are having a...Ch. 26 - Prob. 65GPCh. 26 - 66. ** Space travel A pilot and her spaceship have...Ch. 26 - Prob. 67GPCh. 26 - Prob. 68GPCh. 26 - Prob. 69RPPCh. 26 - Prob. 70RPPCh. 26 - Prob. 71RPPCh. 26 - Prob. 72RPPCh. 26 - Prob. 73RPPCh. 26 - Prob. 74RPPCh. 26 - Prob. 75RPPCh. 26 - Prob. 76RPPCh. 26 - Prob. 77RPPCh. 26 - Prob. 78RPPCh. 26 - Prob. 79RPPCh. 26 - Prob. 80RPP
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- Near the center of our galaxy, hydrogen gas is moving directly away from us in its orbit about a black hole. We receive 19(N) nm electromagnetic radiation and know that it was 1875 nm when emitted by the hydrogen gas. What is the speed of the gas?arrow_forwardIf a galaxy moving away from the Earth has a speed of 1000 km/s and emits 656 nm light characteristic of hydrogen (the most common element in the universe). (a) What wavelength would we observe on Earth? (b) What type of electromagnetic radiation is this? (c) Why is the speed of Earth in its orbit negligible here?arrow_forwardSpeed of light in a moving medium. The motion of a medium such as water influences the speed of light. This effect was first observed by Fizeau in 1851. Consider a light beam passing through a horizontal column of water moving with a speed v. (a) Show that if the beam travels in the same direction as the flow of water, the speed of light measured in the laboratory frame is given by where n is the index of refraction of the water. (Hint: Use the inverse Lorentz velocity transformation and note that the speed of light with respect to the moving frame is given by c/n.) (b) Show that for v << c, the preceding expression is in good agreement with Fizeau’s experimental result: This proves that the Lorentz velocity transformation and not the Galilean velocity transformation is correct for light.arrow_forward
- Two astronomical events are observed from Earth to occur at a time of 1 s apart and a distance separation of 1.5109m from each other. (a) Determine whether separation of the two events is space like or time like. (b) State what this implies about whether it is consistent with special relativity for one event to have caused the other?arrow_forwardModels are particularly useful in relativity and quantum mechanics, where conditions are outside those normally encountered by humans. What is a model?arrow_forwardUnreasonable Results (a) Find the value of for the following situation. An Earth-bound observer measures 23.9 h to have passed while signals from a high-velocity space probe indicate that 24.0 h have passed on board. (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?arrow_forward
- An astronaut is traveling in a space vehicle moving at 0.500c relative to the Earth. The astronaut measures her pulse rate at 75.0 beats per minute. Signals generated by the astronauts pulse are radioed to the Earth when the vehicle is moving in a direction perpendicular to the line that connects the vehicle with an observer on the Earth. (a) What pulse rate does the Earth-based observer measure? (b) What If? What would be the pulse rate if the speed of the space vehicle were increased to 0.990c?arrow_forwardThe distance of a galaxy from our solar system is 10 Mpc. (a) What is the recessional velocity of the galaxy? (b) By what fraction is the starlight from this galaxy red shifted (that is, what is its z value)?arrow_forwarda.) Galaxy B moves away from galaxy A at 0.521 times the speed of light. Galaxy C moves away from galaxy B in the same direction at 0.715 times the speed of light. How fast does galaxy C recede from galaxy A? Express your answer as a fraction of the speed of light. b.) Processes at the center of a nearby galaxy cause the emission of electromagnetic radiation at a frequency of 2.71×10^13 Hz. Detectors on Earth measure the frequency of this radiation as 1.69×10^13 Hz. How fast is the galaxy receding from Earth?arrow_forward
- The highest-energy cosmic ray ever detected had an energy of about 3.0 x 1020 eV. Assume that this cosmic ray was a proton.a. What was the proton’s speed as a fraction of c?b. If this proton started at the same time and place as a photon traveling at the speed of light, how far behind the photon would it be after traveling for 1 ly?arrow_forwardPart A The distance to a particular star, as measured in the earth's trame of reterence, is 734 ly (1 light year is the distance light travels in 1 y )A spaceship leaves earth headed for the star, and takes 3.66 y to arrive, as measured by passengers on the ship How long does the trip take, according to observers on earth? Express your answer in years, t= 7.34 Submit Previous Answers Bequest Answer X Incorrect; Try Agaln; 4 attempts remaining Part What distance for the trip do passengers on the spacecraft measure? (Hint What is the speed of lght in units of ly/y?) Express your answer in light years 2- 3.66 ly Submit Previous Anaeers Request Anewer X Incorrect; Try Again; 4 attempts remaining Pearsonarrow_forwardConstants A certain star is 9.50 light-years away. How long would it take a spacecraft traveling 0.930c to reach that star from Earth, as measured by observers on Earth? ? years Submit Request Answer Part B How long would it take a spacecraft traveling 0.930c to reach that star from Earth, as measured by observers on the spacecraft? ? t= years Submit Request Anwerarrow_forward
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