University Physics Volume 11st EditionSamuel J Ling Jeff, Sanny, William Moebs Publisher: OpenStaxISBN: 9781630182137
University Physics Volume 1
Solutions for University Physics Volume 1
Problem 1.1CYU:
Check Your Understanding Restate 4.79105kg using a metric prefix such that the resulting number is...Problem 1.2CYU:
Check Your Understanding Light navels about 9 Pm in a year. Given that a year is about 3107s , what...Problem 1.3CYU:
Check Your Understanding We know horn Figure 1.4 that the diameter of Earth is on the order of 107m...Problem 1.4CYU:
Check Your Understanding Given that 1 lb (pound) is 4.45 N. were the numbers being output by...Problem 1.5CYU:
Check Your Understanding Suppose we want the formula for the volume of a sphere. The two expressions...Problem 1.6CYU:
Check Your Understanding Is the equation v=atdimensionally consistent? One further point thin needs...Problem 1.7CYU:
Check Your Understanding Figure 1.4 says the mass of the atmosphere is 1019kg . Assuming the density...Problem 1.8CYU:
Check Your Understanding A high school track coach has just purchased a new stopwatch. The stopwatch...Problem 1CQ:
The Scope and Scale of Physics What is physics?Problem 2CQ:
The Scope and Scale of Physics Some have described physics as a “search for simplicity.” Explain why...Problem 3CQ:
The Scope and Scale of Physics If two different theories describe experimental observations equally...Problem 5CQ:
The Scope and Scale of Physics Certain criteria must be satisfied if a measurement or observation is...Problem 6CQ:
The Scope and Scale of Physics Can the validity of a model be limited or must it be universally...Problem 9CQ:
Units and Standards What is the difference between a base unit and a derived unit? (b) What is the...Problem 10CQ:
For each of the following scenarios, refer to Figure 1.4 and Table 1.2 to determine which metric...Problem 11CQ:
Significant Figures (a) What is the relationship between the precision and the uncertainty of a...Problem 12CQ:
Solving Problems in Physics What information do you need to choose which equation or equations to...Problem 13CQ:
Solving Problems in Physics What should you do after obtaining a numerical answer when solving a...Problem 14P:
The Scope and Scale of Physics Find the order of magnitude of the following physical quantities. (a)...Problem 15P:
Use the orders of magnitude you found in the previous problem to answer the following questions to...Problem 16P:
Roughly how many heartbeats are there in a lifetime?Problem 17P:
A generation is about one-third of a lifetime. Approximately how many generations have passed since...Problem 18P:
Roughly how many times longer than the mean life of an extremely unstable atomic nucleus is the...Problem 19P:
Calculate the approximate number of atoms in a bacterium. Assume the average mass of an atom in the...Problem 20P:
(a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is 10 times...Problem 21P:
Assuming one nerve impulse must end before another can begin, what is the maximum firing rate of a...Problem 23P:
Roughly how many floating-point operations can a supercomputer perform in a human lifetime?Problem 24P:
The following times are given using metric prefixes on the base SI unit of time: the second. Rewrite...Problem 25P:
The following times are given in seconds. Use metric prefixes to rewrite them so the numerical value...Problem 26P:
The following lengths are given using metric prefixes on the base SI unit of length: the meter....Problem 27P:
The following lengths are given in meters. Use metric prefixes to rewrite them so the numerical...Problem 28P:
The following masses are written using metric prefixes on the gram. Rewrite them in scientific...Problem 29P:
The following masses are given in kilograms. Use metric prefixes on the gram to rewrite them so the...Problem 30P:
The volume of Earth is on the order of 1021m3 . (a) What is this in cubic kilometers (km3) ? (b)...Problem 31P:
The speed limit on some interstate highways is roughly 100 km/h. (a) What is this in meters per...Problem 32P:
A car is traveling at a speed of 33 m/s. (a) What is its speed in kilometers per hour? (b) Is it...Problem 33P:
In SI units, speeds are measured in meters per second (m/s). But, depending on where you live,...Problem 34P:
American football is played on a 100-yd-long field, excluding the end zones. How long is the field...Problem 35P:
Soccer fields vary in size. A large soccer field is 115 m long and 85.0 m wide. What is its area in...Problem 37P:
Mount Everest, at 29,028ft , is the tallest mountain on Earth. What is its height in kilometers?...Problem 38P:
The speed of sound is measured to be 342 m/s on a certain day. What is this measurement in...Problem 39P:
Tectonic plates are large segments of Earth’s mist that move slowly. Suppose one such plate has an...Problem 40P:
The average distance between Earth and the Sun is 1.51011m . (a) Calculate the average speed of...Problem 41P:
The density of nuclear matter is about 1018kg/m3 . Given that 1 mL is equal in volume to cm3 , what...Problem 42P:
The density of aluminum Is 2.7g/cm3 . What is the density in kilograms per cubic meter?Problem 43P:
A commonly used turn of mass in the English system Is the pound-mass, abbreviated Ibm, where 1 Ibm =...Problem 44P:
A furlong is 220 yd. A fortnight is 2 weeks. Convert a speed of one furlong per fortnight to...Problem 45P:
It takes 2 radians (rad) to get around a circle, which Is the same as 360 . How many radians are in...Problem 46P:
Light travels a distance of about 3108m/s . A light-minute is the distance light travels in 1 mm. If...Problem 47P:
A light-nanosecond is the distance light travels in 1 ns. Convert 1 ft to light-nanoseconds.Problem 48P:
An electron has a mass of 9.1110-31kg . A proton has a mass of 1.6710-27kg . What is the mass of a...Problem 49P:
A fluid ounce is about 30mL. What is the voIume of a 12 fl-oz can of soda pop in cubic meters?Problem 50P:
A student is trying to remember some formulas from geometry. In what follows, assume Ais area, Vis...Problem 51P:
Consider the physical quantities s,v,a, and t with dimensions [s]=L,[v]=LT1,[a]=LT2 and [t]=L ....Problem 52P:
Consider the physical quantities m,s,v,a, and t with dimensions [m]=M,[s]=L,[v]=LT1 and [a]=LT2 ....Problem 53P:
Suppose quantity s is a length and quantity t is a time. Suppose the quantities vand a are defined...Problem 54P:
Suppose [V]=L3,[]=ML3, and [t]=T . (a) What is the dimension of dV? (b) What is the dimension of...Problem 55P:
The arc length formula says the length sof arc subtended by angle in a circle of radius r is given...Problem 56P:
Estimates and Fermi Calculations Assuming the human body is made primarily of water, estimate the...Problem 57P:
Assuming the human body is primarily made of water, estimate the number of molecules in it. (Note...Problem 58P:
Estimate the mass of air in a classroom.Problem 59P:
Estimate the number of molecules that make up Earth, assuming an average molecular mass of 30 g/mol....Problem 60P:
Estimate the surface area of a person.Problem 62P:
(a) Estimate the density of the Moon. (b) Estimate the diameter of the Moon. (c) Given that the Moon...Problem 63P:
The average density of the Sun is on the order 103kg/m3 . (a) Estimate the diameter of the Sun. (b)...Problem 64P:
Estimate the mass of a virus.Problem 65P:
A floating-point operation is a single arithmetic operation such as addition, subtraction,...Problem 66P:
Consider the equation 4000/400=10.0 . Assuming the number of significant figures in the answer is...Problem 67P:
Suppose your bathroom scale reads your mass as 65 kg with a 3% uncertainty. What is the uncertainty...Problem 68P:
A good-quality measuring tape can be off by 0.50cm over a distance of 20m . What is its percent...Problem 69P:
An infant’s pulse rate is measured to be 1305 beats/mm. What is the percent uncertainty in this...Problem 70P:
(a) Suppose that a person has an average heart rate of 72.0 beats/mm. How many beats does he or she...Problem 72P:
State how many significant figures are proper In the results of the following calculations: (a)...Problem 73P:
(a) How many significant figures are in the numbers 99 and 100.? (b) If the uncertainty in each...Problem 74P:
(a) If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h, what is the percent...Problem 75P:
(a) A person’s blood pressure is measured to be 1202mmHg . What is its percent uncertainty? (b)...Problem 76P:
A person measures his or her heart rate by counting the number of beats in 30s. If 401 beats are...Problem 77P:
What is the area of a circle 3.102 cm in diameter?Problem 78P:
Determine the number of significant figures in the following measurements: (a) 0.0009 , (b) 15,450.0...Problem 79P:
Perform the following calculations and express your answer using the correct number of significant...Problem 80AP:
Consider the equation y=mt+b, where the dimension of y is length and the dimension of t is time, and...Problem 81AP:
Consider the equation s=s0+v0t+a0t2/2+j0t3/6+s0t4/24+ct5/120 , were s is a length and t is a time....Problem 82AP:
(a) A car speedometer has a 5% uncertainty. What is the range of possible speeds when it reads 90...Problem 83AP:
A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12s. There is an uncertainty of...Problem 84AP:
The sides of a small rectangular box are measured to be 1.800.1cm,2.050.02cm, and 3.10.1cm long....Problem 85AP:
When nonmetric units we used in the United Kingdom, a unit of mass called the pound-mass (lbm) was...Problem 86AP:
The length and width of a rectangular room are measured to be 3.9550.005m and 10500.005m . Calculate...Problem 87AP:
A car engine moves a piston with a circular cross-section of 73000.002cm in diameter a distance of...Browse All Chapters of This Textbook
Chapter 1 - Units And MeasurementChapter 2 - VectorsChapter 3 - Motion Along A Straight LineChapter 4 - Motion In Two And Three DimensionsChapter 5 - Newton's Law Of MotionChapter 6 - Applications Of Newton's LawsChapter 7 - Work And Kinetic EnergyChapter 8 - Potential Energy And Conservation Of EnergyChapter 9 - Linear Momentum And CollisionsChapter 10 - Fixed-axis Rotation
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