An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 6.3, Problem 6.2CE
The station in this example is an AM station, which generally uses kHz frequencies. FM stations have MHz frequencies. What is the wavelength of an FM station with an assigned frequency of 90.0 MHz?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Question B3
Consider the following FLRW spacetime:
t2
ds² = -dt² +
(dx²
+ dy²+ dz²),
t2
where t is a constant.
a)
State whether this universe is spatially open, closed or flat.
[2 marks]
b) Determine the Hubble factor H(t), and represent it in a (roughly drawn) plot as a function
of time t, starting at t = 0.
[3 marks]
c) Taking galaxy A to be located at (x, y, z) = (0,0,0), determine the proper distance to galaxy
B located at (x, y, z) = (L, 0, 0). Determine the recessional velocity of galaxy B with respect
to galaxy A.
d) The Friedmann equations are
2
k
8πG
а
4πG
+
a²
(p+3p).
3
a
3
[5 marks]
Use these equations to determine the energy density p(t) and the pressure p(t) for the
FLRW spacetime specified at the top of the page.
[5 marks]
e) Given the result of question B3.d, state whether the FLRW universe in question is (i)
radiation-dominated, (ii) matter-dominated, (iii) cosmological-constant-dominated, or (iv)
none of the previous. Justify your answer.
f)
[5 marks]
A conformally…
SECTION B
Answer ONLY TWO questions in Section B
[Expect to use one single-sided A4 page for each Section-B sub question.]
Question B1
Consider the line element
where w is a constant.
ds²=-dt²+e2wt dx²,
a) Determine the components of the metric and of the inverse metric.
[2 marks]
b) Determine the Christoffel symbols. [See the Appendix of this document.]
[10 marks]
c)
Write down the geodesic equations.
[5 marks]
d) Show that e2wt it is a constant of geodesic motion.
[4 marks]
e)
Solve the geodesic equations for null geodesics.
[4 marks]
Page 2
SECTION A
Answer ALL questions in Section A
[Expect to use one single-sided A4 page for each Section-A sub question.]
Question A1
SPA6308 (2024)
Consider Minkowski spacetime in Cartesian coordinates th
=
(t, x, y, z), such that
ds² = dt² + dx² + dy² + dz².
(a) Consider the vector with components V" = (1,-1,0,0). Determine V and V. V.
(b) Consider now the coordinate system x' (u, v, y, z) such that
u =t-x,
v=t+x.
[2 marks]
Write down the line element, the metric, the Christoffel symbols and the Riemann curvature
tensor in the new coordinates. [See the Appendix of this document.]
[5 marks]
(c) Determine V", that is, write the object in question A1.a in the coordinate system x'. Verify
explicitly that V. V is invariant under the coordinate transformation.
Question A2
[5 marks]
Suppose that A, is a covector field, and consider the object
Fv=AAμ.
(a) Show explicitly that F is a tensor, that is, show that it transforms appropriately under a
coordinate transformation.
[5 marks]
(b)…
Chapter 6 Solutions
An Introduction to Physical Science
Ch. 6.1 - What causes waves, and how and what do they...Ch. 6.1 - Is matter propagated by waves?Ch. 6.2 - What is the distinguishing difference between...Ch. 6.2 - Prob. 2PQCh. 6.2 - A sound wave has a speed of 344 m/s and a...Ch. 6.3 - Prob. 1PQCh. 6.3 - What is the speed of light in vacuum?Ch. 6.3 - The station in this example is an AM station,...Ch. 6.4 - What is the frequency range of human hearing?Ch. 6.4 - Prob. 2PQ
Ch. 6.4 - Prob. 6.3CECh. 6.5 - Prob. 1PQCh. 6.5 - What is necessary for a jet aircraft to generate a...Ch. 6.6 - Prob. 1PQCh. 6.6 - What does resonance mean in terms of a systems...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - Prob. EMCh. 6 - Prob. FMCh. 6 - Prob. GMCh. 6 - Prob. HMCh. 6 - Prob. IMCh. 6 - Prob. JMCh. 6 - Prob. KMCh. 6 - Prob. LMCh. 6 - Prob. MMCh. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - Prob. OMCh. 6 - Prob. PMCh. 6 - Prob. QMCh. 6 - Prob. RMCh. 6 - Prob. SMCh. 6 - Prob. TMCh. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - A wave with particle oscillation parallel to the...Ch. 6 - If a piece of ribbon were tied to a stretched...Ch. 6 - Prob. 3MCCh. 6 - Prob. 4MCCh. 6 - Which of the following is true for electromagnetic...Ch. 6 - Which one of the following regions has frequencies...Ch. 6 - The speed of sound is generally greatest in ____ ....Ch. 6 - Which of the following sound frequencies could be...Ch. 6 - A sound with an intensity level of 30 dB is how...Ch. 6 - A moving observer approaches a stationary sound...Ch. 6 - Prob. 11MCCh. 6 - Prob. 12MCCh. 6 - Which of the following occur(s) when a stretched...Ch. 6 - Prob. 1FIBCh. 6 - Wave velocity and particle motion are ___ in...Ch. 6 - Prob. 3FIBCh. 6 - Wave speed is equal to frequency times ___. (6.2)Ch. 6 - Prob. 5FIBCh. 6 - Prob. 6FIBCh. 6 - Prob. 7FIBCh. 6 - Prob. 8FIBCh. 6 - Prob. 9FIBCh. 6 - Prob. 10FIBCh. 6 - In the Doppler effect, when a moving sound source...Ch. 6 - A Doppler blueshift in light from a star indicates...Ch. 6 - Prob. 13FIBCh. 6 - Prob. 1SACh. 6 - Prob. 2SACh. 6 - A wave travels upward in a medium (vertical wave...Ch. 6 - Prob. 4SACh. 6 - How many values of amplitude are there in one...Ch. 6 - Prob. 6SACh. 6 - Prob. 7SACh. 6 - Which end (blue or red) of the visible spectrum...Ch. 6 - Prob. 9SACh. 6 - What is the range of wavelengths of visible light?...Ch. 6 - Prob. 11SACh. 6 - What happens to the energy when a sound dies out?Ch. 6 - Referring to Fig. 6.11, indicate over how many...Ch. 6 - What is the chief physical property that describes...Ch. 6 - Why does the music coming from a band marching in...Ch. 6 - What is the difference between sound wave energy...Ch. 6 - Prob. 17SACh. 6 - Why is lightning seen before thunder is heard?Ch. 6 - How is the wavelength of sound affected when (a) a...Ch. 6 - Under what circumstances would sound have (a) a...Ch. 6 - On a particular day the speed of sound in air is...Ch. 6 - Prob. 22SACh. 6 - What is the effect when a system is driven in...Ch. 6 - Would you expect to find a node or an antinode at...Ch. 6 - Prob. 25SACh. 6 - Prob. 1VCCh. 6 - Prob. 1AYKCh. 6 - Were an astronaut on the Moon to drop a hammer,...Ch. 6 - Prob. 3AYKCh. 6 - How fast would a jet fish have to swim to create...Ch. 6 - Prob. 5AYKCh. 6 - Prob. 6AYKCh. 6 - A periodic wave has a frequency of 5.0 Hz. What is...Ch. 6 - What is the period of the wave motion for a wave...Ch. 6 - Prob. 3ECh. 6 - A sound wave has a frequency of 3000 Hz. What is...Ch. 6 - Compute the wavelength of the radio waves from (a)...Ch. 6 - Prob. 6ECh. 6 - What is the frequency of blue light that has a...Ch. 6 - An electromagnetic wave has a wavelength of 6.00 ...Ch. 6 - How far does light travel in 1 year? [This...Ch. 6 - (a) Approximately how long would it take a...Ch. 6 - Compute the wavelength in air of ultrasound with a...Ch. 6 - What are the wavelength limits of the audible...Ch. 6 - The speed of sound in a solid medium is 15 times...Ch. 6 - A sound wave in a solid has a frequency of 15.0...Ch. 6 - During a thunderstorm, 4.5 s elapses between...Ch. 6 - Picnickers see a lightning flash and hear the...Ch. 6 - A subway train has a sound intensity level of 90...Ch. 6 - A loudspeaker has an output of 70 dB. If the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- No chatgpt pls will upvote Iarrow_forwardHow would partial obstruction of an air intake port of an air-entrainment mask effect FiO2 and flow?arrow_forward14 Z In figure, a closed surface with q=b= 0.4m/ C = 0.6m if the left edge of the closed surface at position X=a, if E is non-uniform and is given by € = (3 + 2x²) ŷ N/C, calculate the (3+2x²) net electric flux leaving the closed surface.arrow_forward
- No chatgpt pls will upvotearrow_forwardsuggest a reason ultrasound cleaning is better than cleaning by hand?arrow_forwardCheckpoint 4 The figure shows four orientations of an electric di- pole in an external electric field. Rank the orienta- tions according to (a) the magnitude of the torque on the dipole and (b) the potential energy of the di- pole, greatest first. (1) (2) E (4)arrow_forward
- What is integrated science. What is fractional distillation What is simple distillationarrow_forward19:39 · C Chegg 1 69% ✓ The compound beam is fixed at Ę and supported by rollers at A and B. There are pins at C and D. Take F=1700 lb. (Figure 1) Figure 800 lb ||-5- F 600 lb بتا D E C BO 10 ft 5 ft 4 ft-—— 6 ft — 5 ft- Solved Part A The compound beam is fixed at E and... Hình ảnh có thể có bản quyền. Tìm hiểu thêm Problem A-12 % Chia sẻ kip 800 lb Truy cập ) D Lưu of C 600 lb |-sa+ 10ft 5ft 4ft6ft D E 5 ft- Trying Cheaa Những kết quả này có hữu ích không? There are pins at C and D To F-1200 Egue!) Chegg Solved The compound b... Có Không ☑ ||| Chegg 10 וחarrow_forwardNo chatgpt pls will upvotearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
An Introduction to Physical SciencePhysicsISBN:9781305079137Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar TorresPublisher:Cengage Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
An Introduction to Physical Science
Physics
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
What Are Electromagnetic Wave Properties? | Physics in Motion; Author: GPB Education;https://www.youtube.com/watch?v=ftyxZBxBexI;License: Standard YouTube License, CC-BY