Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 1, Problem 46P
Estimate the number of air molecules in your dorm room.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Estimate the number of people in the world who are suffering from the common cold on any
given day. (Remember that a person suffers from a cold for about a week, and assume that
the average person catches a cold twice a year. The population of Earth is approximately seven
billion.)
O 10²
O 105
O 108
O 10¹3
A relationship is found between the number density of cars on a freeway during rush hour, N, and distance. The relationship can be written as
k a'N
No dr?
From this you can conclude that
O w =
V No
O v =
No
No
O v =
The density of bubble gum is about 1g/cm3. You blow an 8g wad of gum into a bubble 9cm in diameter. What is the thickness of the bubble? Use the equation: 4πr2 to help solve the problem.
Chapter 1 Solutions
Essential University Physics (3rd Edition)
Ch. 1.2 - A Canadian speed limit of 50 km/h is closest to...Ch. 1.3 - Rank the numbers according to (1) their size and...Ch. 1 - Explain why measurement standards based on...Ch. 1 - Prob. 2FTDCh. 1 - Why doesnt Earths rotation provide a suitable time...Ch. 1 - To raise a power of 10 to another power, you...Ch. 1 - What facts might a scientist use in estimating...Ch. 1 - How would you determine the length of a curved...Ch. 1 - Write 1/x as x to some power.Ch. 1 - Emissions of carbon dioxide from fossil-fuel...
Ch. 1 - In Chapter 3, youll learn that the range of a...Ch. 1 - What is meant by an explicit-constant definition...Ch. 1 - Youre asked to make a rough estimate of the total...Ch. 1 - The power output of a typical large power plant is...Ch. 1 - The diameter of a hydrogen atom is about 0.1 nm,...Ch. 1 - Use the definition of the meter to determine how...Ch. 1 - In nanoseconds, how long is the period of the...Ch. 1 - Lake Baikal in Siberia holds the worlds largest...Ch. 1 - A hydrogen atom is about 0.1 nm in diameter. How...Ch. 1 - How long a piece of wire would you need to form a...Ch. 1 - Making a turn, a jetliner flies 2.1 km on a...Ch. 1 - A car is moving at 35.0 mi/h. Express its speed in...Ch. 1 - You have postage for a 1-oz letter but only a...Ch. 1 - Prob. 22ECh. 1 - How many cubic centimeters are in a cubic meter?Ch. 1 - Prob. 24ECh. 1 - Prob. 25ECh. 1 - Highways in Canada have speed limits of 100 km/h....Ch. 1 - One m/s is how many km/h?Ch. 1 - A 3.0-lb box of grass seed will seed 2100 ft2 of...Ch. 1 - A radian is how many degrees?Ch. 1 - Convert the following to SI units: (a) 55 mi/h:...Ch. 1 - The distance to the Andromeda galaxy, the nearest...Ch. 1 - Add 3.63105 m and 2.13103 km.Ch. 1 - Divide 4.23103 m/s by 0.57 ms, and express your...Ch. 1 - Add 5.131022 cm and 6.83103 mm. and multiply the...Ch. 1 - Find the cube root of 6.4 1019 without a...Ch. 1 - Add 1.46 m and 2.3 cm.Ch. 1 - Prob. 37ECh. 1 - Prob. 38ECh. 1 - To see why its important to carry more digits in...Ch. 1 - Youve been hired as an environmental watchdog for...Ch. 1 - The average dairy cow produces about 104 kg of...Ch. 1 - How many Earths would fit inside the Sun?Ch. 1 - The average American uses electrical energy at the...Ch. 1 - Youre writing a biography of the physicist Enrico...Ch. 1 - (a) Estimate the volume of water going over...Ch. 1 - Estimate the number of air molecules in your dorm...Ch. 1 - A human hair is about 100 m across. Estimate the...Ch. 1 - Prob. 48PCh. 1 - Bubble gums density is about 1 g/cm3. You blow an...Ch. 1 - The Moon barely covers the Sun during a solar...Ch. 1 - The semiconductor chip at the heart of a personal...Ch. 1 - Estimate the number of (a) atoms and (b) cells in...Ch. 1 - When we write the number 3.6 as typical of a...Ch. 1 - Continental drift occurs at about the rate your...Ch. 1 - Youre driving into Canada and trying to decide...Ch. 1 - In the 1908 London Olympics, the intended 26-mile...Ch. 1 - An environmental group is lobbying to shut down a...Ch. 1 - If youre working from the print version of this...Ch. 1 - Estimate the area of skin on your body.Ch. 1 - Estimate the mass of water in the worlds oceans,...Ch. 1 - Express the following with appropriate units and...Ch. 1 - Prob. 62PCh. 1 - Caf Milagro sells coffee online. A half-kilogram...Ch. 1 - The world consumes energy at the rate of about 500...Ch. 1 - The volume of a sphere is given by V=43r3, where r...Ch. 1 - The human body contains about 1014 cells, and the...Ch. 1 - The human body contains about 1014 cells, and the...Ch. 1 - The human body contains about 1014 cells, and the...Ch. 1 - The human body contains about 1014 cells, and the...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The force, when you push against a wall with your fingers, they bend.
Conceptual Physics (12th Edition)
A proton of the same energy as the electron in Example 26.3 spirals in the same magnetic field. Compared with t...
Essential University Physics: Volume 2 (3rd Edition)
1. How do two structural isomers differ from each other?
Conceptual Physical Science (6th Edition)
Whether the work done on the pendulum bob by gravity is positive, negative or zero.
Physics (5th Edition)
At the instant shown in Figure 1, which direction is the star moving (circle one)?
Lecture- Tutorials for Introductory Astronomy
Explain all answers clearly, with complete sentences and proper essay structure if needed. An asterisk(*) desig...
The Cosmic Perspective Fundamentals (2nd Edition)
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
- In 2011, artist Hans-Peter Feldmann covered the walls of a gallery at the New York Guggenheim Museum with 100,000 one-dollar bills (Fig. P1.48). Approximately how much would it cost you to wallpaper your room in one-dollar bills, assuming the bills do not overlap? Consider the cost of the bills alone, not other supplies or labor costs. FIGURE P1.48arrow_forwardThe average life expectancy in Japan is 81 years. What is this time in SI units?arrow_forwardHow many cubic centimeters (cm3) are in one cubic meter (m3)?arrow_forward
- For each of the following scenarios, refer to Figure 1.4 and Table 1.2 to determine which metric prefix on the meter is most appropriate for each of the following scenarios. (a) You want to tabulate the mean distance from the Sun for each planet in the solar system. (b) You want to compare the sizes of some common viruses to design a mechanical filter capable of blocking the pathogenic ones. (c) You want to list the diameters of all the elements on the periodic table. (d) You want to list the distances to all the stars that have now received any radio broadcasts sent from Earth 10 years ago. 1.2 Units and Standardsarrow_forward(a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. (b) Making the same assumption, how many cells are there in a human?arrow_forwardShow that 3, by calculating the change in volume V of a cube with sides of length L.arrow_forward
- (a) A person's blood pressure is measured to be 1202 mm Hg. What is its percent uncertainty? (b) Assuming the same percent uncertainty, what is the uncertainty in a blood pressure measurement of 80 mm Hg?arrow_forwardEstimate the number of tennis ball that would fit into a room that is 4m long, 4m wide, and 3m high. Assume that the diameter of the ball is 3.8 cm.arrow_forwardYou measure the diameter of a drop of water to be 3 mm. Make an order-of-magnitude estimate of how many such drops are contained in all the water in your body. Diameter = 3mmarrow_forward
- The equation for the ideal gas is (P – a/V2) (V-b) = K. Here P is the pressure, V is the volume of the gas. If a and b are constants, what is the the units of a/b.arrow_forwardQ 2: a- If you had 0.2 kg of helium, how many helium atoms would you have? b- If you had 10 dozen helium atoms, what would be their mass? c- What is the mass of one helium atom? d- What is the mass of 2.0 moles of helium atoms?arrow_forwardQuestion 18, Physics - equation sheet attachedarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice UniversityCollege PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Components of a Vector (Part 1) | Unit Vectors | Don't Memorise; Author: Don't Memorise;https://www.youtube.com/watch?v=fwMUELxZ0Pw;License: Standard YouTube License, CC-BY
02 - Learn Unit Conversions, Metric System & Scientific Notation in Chemistry & Physics; Author: Math and Science;https://www.youtube.com/watch?v=W_SMypXo7tc;License: Standard Youtube License