University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1, Problem 1.91CP
Navigating in the Big Dipper. All of the stars of the Big Dipper (part of the constellation Ursa Major) may appear to be the same distance from the earth, but in fact they are very far from each other. Figure P1.91 shows the distances from the earth to each of these stars. The distances are given in light-years (ly), the distance that light travels in one year. One light-year equals 9.461 × 1015m. (a) Alkaid and Merak are 25.6° apart in the earth’s sky. In a diagram, show the relative positions of Alkaid, Merak, and our sun. Find the distance in light-years from Alkaid to Merak. (b) To an inhabitant of a planet orbiting Merak, how many degrees apart in the sky would Alkaid ami our sun be?
Figure P1.91
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A light-year (ly) is the distance light travels in one year (at speed of 2.998 ×× 108 m/sm/s ). An astronomical unit (AU) is the average distance from the Sun to Earth, 1.50 ×× 108 km. 1 year = 3.156 ×× 107 s.
How many meters are there in 1.70 ly?
Express your answer using three significant figures. Express in scientific notation!
1.70 ly = _________________m
How many AU are there in 1.70 ly light-year?
Express your answer using three significant figures. Express in scientific notation!
1.70 ly = _________________AU
All the stars of the Big Dipper (part of the constellation Ursa Major) may appear to
be the same distance from the earth, but in fact they are very far from each other.
the figure shows the
distances from the
earth to each of these
stars. The distances
are given in light-years
(ly), the distance that
light travels in one year.
One light-year equals
9.461 × 1015 m..
Dubhe
105 ly
Megrez
81 ly
Mizar
73 ly
Alioth
Merak
64 ly
ע דר
Alkaid
Phad
138 ly
80 ly
Part A
Alkaid and Merak are 25.6° apart in the earth's sky. Find the distance in light-
years from Alkaid to Merak.
Express your answer in light-years.
ΑΣφ
?
ly
Submit
Request Answer
Part B
To an inhabitant of a planet orbiting Merak, how many degrees apart in the sky
would Alkaid and our sun be?
Express your answer in degrees.
?
Submit
Request Answer
On planet Z, the standard unit of length is the foose. Ann the Astronaut is 5.2 feet
tall on Earth. She lands on planet Z and is measured to be 88 foosi tall. Her partner
Rachael is 92 foosi tall. How tall is Rachael on Earth?
Chapter 1 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 1.5 - The density of a material is equal to its mass...Ch. 1.6 - Can you estimate the total number of teeth in the...Ch. 1.7 - Two displacement vectors, S and T have magnitudes...Ch. 1.8 - Two vectors A and B lie in the xy-plane. (a) Can A...Ch. 1.9 - Arrange the following vectors in order of their...Ch. 1.10 - Vector A has magnitude 2 and vector B has...Ch. 1 - How many correct experiments do we need to...Ch. 1 - Suppose you are asked to compute the tangent of...Ch. 1 - What is your height in centimeters? What is your...Ch. 1 - The U.S. National Institute of Standards and...
Ch. 1 - What physical phenomena (other than a pendulum or...Ch. 1 - Describe how you could measure the thickness of a...Ch. 1 - The quantity = 3.14159... is a number with no...Ch. 1 - What are the units of volume? Suppose another...Ch. 1 - Three archers each fire four arrows at a target....Ch. 1 - Is the vector (i+j+k) a unit vector? Is the vector...Ch. 1 - A circular racetrack has a radius of 500 m. What...Ch. 1 - Can you find two vectors with different lengths...Ch. 1 - The direction of time is said to proceed from past...Ch. 1 - Air traffic controllers give instructions called...Ch. 1 - Can you find a vector quantity that has a...Ch. 1 - (a) Does it make sense to say that a vector is...Ch. 1 - Prob. 1.17DQCh. 1 - If A and B are nonzero vectors, is it possible for...Ch. 1 - Prob. 1.19DQCh. 1 - Let A represent any nonzero vector. Why is A/A a...Ch. 1 - Figure 1.7 shows the result of an unacceptable...Ch. 1 - Prob. 1.22DQCh. 1 - Consider the vector products A (B C) and (AB)C....Ch. 1 - Show that, no matter what A and B are, A(AB)=0....Ch. 1 - Prob. 1.25DQCh. 1 - If A=0 for a vector in the xy-plane, does it...Ch. 1 - Starting with the definition 1 in. = 2.54 cm, find...Ch. 1 - Prob. 1.2ECh. 1 - How many nanoseconds does it take light to travel...Ch. 1 - The density of gold is 19.3 g/cm3. What is this...Ch. 1 - The most powerful engine available for the classic...Ch. 1 - A square field measuring 100.0 m by 100.0 m has an...Ch. 1 - Prob. 1.7ECh. 1 - Prob. 1.8ECh. 1 - A certain fuel-efficient hybrid car gets gasoline...Ch. 1 - The following conversions occur frequently in...Ch. 1 - Neptunium. In the fall of 2002, scientists at Los...Ch. 1 - BIO (a) The recommended daily allowance (RDA) of...Ch. 1 - BIO Bacteria. Bacteria vary in size, but a...Ch. 1 - With a wooden ruler, you measure the length of a...Ch. 1 - Prob. 1.15ECh. 1 - Express each approximation of to six significant...Ch. 1 - BIO A rather ordinary middle-aged man is in the...Ch. 1 - How many gallons of gasoline are used in the...Ch. 1 - BIO How many times does a typical person blink her...Ch. 1 - BIO Four astronauts are in a spherical space...Ch. 1 - In Wagners opera Das Rheingold, the goddess Freia...Ch. 1 - BIO How many times does a human heart beat during...Ch. 1 - You are using water to dilute small amounts of...Ch. 1 - For the vectors A and B in Fig. E1.24, use a scale...Ch. 1 - A postal employee drives a delivery truck along...Ch. 1 - A spelunker is surveying a cave. She follows a...Ch. 1 - Compute the x- and y-components of the vectors...Ch. 1 - Let be the angle that the vector A makes with the...Ch. 1 - Prob. 1.29ECh. 1 - Vector A is in the direction 34.0 clockwise from...Ch. 1 - For the vectors A and B in Fig. E1.24, use the...Ch. 1 - A postal employee drives a delivery truck over the...Ch. 1 - A disoriented physics professor drives 3.25 km...Ch. 1 - Find the magnitude and direction of the vector...Ch. 1 - Vector A is 2.80 cm long and is 60.0 above the...Ch. 1 - In each case, find the x- and y-components of...Ch. 1 - Write each vector in Fig. E1.24 in terms of the...Ch. 1 - Given two vectors A=4.00i+7.00j and B=5.00i2.00j,...Ch. 1 - (a) Write each vector in Fig. E1.39 in terms of...Ch. 1 - Prob. 1.40ECh. 1 - Given two vectors A=2.00i+3.00j+4.00k and...Ch. 1 - (a) Find the scalar product of the vectors A and B...Ch. 1 - For the vectors A,B and C in Fig. E1.24, find the...Ch. 1 - Find the vector product AB (expressed in unit...Ch. 1 - Find the angle between each of these pairs of...Ch. 1 - For the two vectors in Fig. E1.35, find the...Ch. 1 - For the two vectors A and D in Fig. E1.24, find...Ch. 1 - For the two vectors A and B in Fig. E1.39, find...Ch. 1 - Prob. 1.49PCh. 1 - An acre has a length of one furlong (18 mi) and a...Ch. 1 - An Earthlike Planet. In January 2006 astronomers...Ch. 1 - The Hydrogen Maser. A maser is a laser-type device...Ch. 1 - BIO Breathing Oxygen. The density of air under...Ch. 1 - A rectangular piece of aluminum is 7.60 0.01 cm...Ch. 1 - As you eat your way through a bag of chocolate...Ch. 1 - Prob. 1.56PCh. 1 - BIO Estimate the number of atoms in your body....Ch. 1 - Two ropes in a vertical plane exert...Ch. 1 - Two workers pull horizontally on a heavy box, but...Ch. 1 - Three horizontal ropes pull on a large stone stuck...Ch. 1 - As noted in Exercise 1.26, a spelunker is...Ch. 1 - Emergency Landing. A plane leaves the airport in...Ch. 1 - BIO Dislocated Shoulder. A patient with a...Ch. 1 - A sailor in a small sailboat encounters shifting...Ch. 1 - You leave the airport in College Station and fly...Ch. 1 - On a training flight, a student pilot flies from...Ch. 1 - As a test of orienteering skills, your physics...Ch. 1 - Getting Back. An explorer in Antarctica leaves his...Ch. 1 - You are lost at night in a large, open field. Your...Ch. 1 - A ship leaves the island of Guam and sails 285 km...Ch. 1 - BIO Bones and Muscles. A physical therapy patient...Ch. 1 - You decide to go to your favorite neighborhood...Ch. 1 - While following a treasure map, you start at an...Ch. 1 - A fence post is 52.0 m from where you are...Ch. 1 - A dog in an open field runs 12.0 m cast and then...Ch. 1 - Ricardo and Jane are standing under a tree in the...Ch. 1 - You are camping with Joe and Karl. Since all three...Ch. 1 - Bond Angle in Methane. In the methane molecule,...Ch. 1 - Vectors A and B have scalar product 6.00, and...Ch. 1 - A cube is placed so that one corner is at the...Ch. 1 - Vector A has magnitude 12.0 m, and vector B has...Ch. 1 - Prob. 1.82PCh. 1 - The scalar product of vectors A and B is +48.0 m2....Ch. 1 - Two vectors A and B have magnitudes A = 3.00 and B...Ch. 1 - You are given vectors A=5.0i6.5j and 3.5i7.0j. A...Ch. 1 - Prob. 1.86PCh. 1 - DATA You are a team leader at a pharmaceutical...Ch. 1 - DATA You are a mechanical engineer working for a...Ch. 1 - DATA Navigating in the Solar System. The Mars...Ch. 1 - Completed Pass. The football team at Enormous...Ch. 1 - Navigating in the Big Dipper. All of the stars of...Ch. 1 - BIO CALCULATING LUNG VOLUME IN HUMANS. In humans,...Ch. 1 - BIO CALCULATING LUNG VOLUME IN HUMANS. In humans,...Ch. 1 - Individuals vary considerably in total lung...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The setup depicted in Figure 4.6 is used in a diffraction experiment using X-rays of 0.26 nm wavelength. Constr...
Modern Physics
What are the sign and magnitude of a point charge that produces a potential of —2.00 V at a distance of 1.00 mm...
University Physics Volume 2
3. A football coach sits on a sled while two of his players build their strength by dragging the sled across ...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
In Fig. 27.23a, take R = 2.5 k and 0 = 50 V. When the switch is closed, the current through the inductor rises ...
Essential University Physics: Volume 2 (3rd Edition)
60491-25-2RAT AID: 1825 | 09/03/201...
Conceptual Physical Science (6th Edition)
Does the constellation that was highest in the sky at midnight a month ago now rise earlier or later than it ro...
Lecture- Tutorials for Introductory Astronomy
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
- Roughly how many times longer than the mean life of an extremely unstable atomic nucleus is the lifetime of a human?arrow_forwardI have tried 16.7x10^3, 16.7x10^4, and 1.365x10^8 and those are all wrong for the first part. I know that the second part is 14.3 hr. I need to know the km/s. Thank you!!arrow_forwardAll of the stars of the Big Dipper (part of the constellation Ursa Major) may appear to be the same distance from the earth, but in fact they are very far from each other. Figure shows the distances from the earth to each of these stars. The distances are given in light-years (ly), the distance that light travels in one year. One light-year equals 9.461 * 1015 m. (a) Alkaid and Merak are 25.6 apart in the earth’s sky. In a diagram, show the relative positions of Alkaid, Merak, and our sun. Find the distance in light-years from Alkaid to Merak. (b) To an inhabitant of a planet orbiting Merak, how many degrees apart in the sky would Alkaid and our sun be?arrow_forward
- For about 10 years after the French Revolution, the French government attempted to base measures of time on multiples of ten: One week consisted of 10 days, one day consisted of 10 hours, one hour consisted of 100 minutes, and one minute consisted of 100 seconds.What are the ratios of (a) the French decimal week to the standard week and (b) the French decimal second to the standard second?arrow_forwardThe speed of light is 2.998 × 108 m/s. One light-year is the distance that light travels in one year. One Astronomical Unit (AU) is 1.50 × 108 km. (a) How many meters are in 1.0 light-year? (b) How many meters are in 1.000 light-year? (c) How many AU are in 1.00 light-year? (d) What is the speed of light in AU/h?arrow_forwardA light-year is the distance light travels in one year at speed =2.998*10^8m/s a) How many inches are there in 1.00 light-year? (b) The parsec is an astronomical unit of length approximately equal to 3.08×1016 m. How many light-years are there in 1.00 parsec?arrow_forward
- What is the value of n+r/(2.000) 2, written with the correct number of significant figures? O 3.92699 O 3.9269 O 3.9270 O 3.927 O 3.93arrow_forwardThe nearest neutron star (a collapsed star made primarily of neutrons) is about 3.00 × 1018 m away from Earth. Given that the Milky Way galaxy (Fig. P1.81) is roughly a disk of diameter ~ 10²' m and thickness ~ 1019 m, estimate the number of neu- tron stars in the Milky Way to the nearest order of magnitude. Figure P1.81arrow_forwardThe speed of light is now defined to be 2.997 924 58 x108 m/s.Express the speed of light to (a) three significant figures,(b) five significant figures, and (c) seven significant figures.arrow_forward
- The quantity pi = 3.14159c is a number with no dimensions, since it is a ratio of two lengths. Describe two or three other geometrical or physical quantities that are dimensionless.arrow_forwardA light-year (ly) is the distance light travels in one year (at speed of 2.998 ×× 108 m/sm/s ). An astronomical unit (AU) is the average distance from the Sun to Earth, 1.50 ×× 108 kmkm.1 yearyear = 3.156 ×× 107 ss. a. How many meters are there in 6.50 lyly ? Express your answer using three significant figures. b. How many AUAU are there in 6.50 lyly light-year? Express your answer using three significant figures.arrow_forwardA new physics unit of distance is created and called the Zarkov. A student informs you 1 Zarkov (1 Za) is exactly equivalent to 8 inches. Convert 4.44 × 10 5 Z a 3 m i n u t e 2to m 3 h r 2. If hard to read: asking you to convert Zarkov's squared over minutes cubed to meters squared over hours cubed. Answer in E notation without units in the box. I am assuming your output units are m 3 h r 2. Note: for some numbers the computer will convert your E notion to another notation without the E...that will not cost you points. To be clear regarding E notation, I will provide an example of what I'm talking about:arrow_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
AstronomyPhysicsISBN:9781938168284Author:Andrew Fraknoi; David Morrison; Sidney C. WolffPublisher:OpenStax
University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
An Introduction to Physical Science
Physics
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:Cengage Learning
Astronomy
Physics
ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:OpenStax
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Introduction to Vectors and Their Operations; Author: Professor Dave Explains;https://www.youtube.com/watch?v=KBSCMTYaH1s;License: Standard YouTube License, CC-BY