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University Physics Volume 1

18th Edition

William Moebs, Samuel J. Ling, Jeff Sanny

Publisher: OpenStax - Rice University

ISBN: 9781938168277

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Chapter

Section

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...

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

University Physics is a three-volume collection that meets the scope and sequence requirements for two- and three-semester calculus-based physics courses. Volume 1 covers mechanics, sound, oscillations, and waves. Volume 2 covers thermodynamics, electricity and magnetism, and Volume 3 covers optics and modern physics. This textbook emphasizes connections between between theory and application, making physics concepts interesting and accessible to students while maintaining the mathematical rigor inherent in the subject. Frequent, strong examples focus on how to approach a problem, how to work with the equations, and how to check and generalize the result.

We offer sample solutions for University Physics Volume 1 homework problems. See examples below:

Check Your Understanding Restate 4.79105kg using a metric prefix such that the resulting number is...Check Your Understanding Two motorboats named Alice and Bob are moving on a lake. Given the...Check your Understanding A cyclist rides 3 km west and then tune around and tides 2 kin east. (a)...Given info: r→(t)=3t3i^+4j^ Formula used: The instantaneous velocity is given by v(t)=dr→(t)dt...Check Your Understanding Find the magnitude and direction of the net force in the ice skater example...Check Your Understanding Now calculate the scale reading when the elevator accelerates downward at a...Check Your Understanding Can kinetic friction ever be a constant force for all paths?Check Your understanding In Example 8.1 what are the potential energies of the particle at x=1 m and...Check Your Understanding The U.S. Air Force uses “10gs” (an acceleration equal to 109.8m/s2 ) as the...

Check Your Understanding The fan blades on a turbofan jet engine (shown below) accelerate from rest...Check Your Understanding A hollow cylinder is on an incline at an angle of 60 . The coefficient of...Check Your Understanding Solve Example 12.1 by choosing the pivot at the location of the rear axle.Check Your Understanding What happens to force and accleration as the vehicles fall together? What...Check Your Understanding If the reservoir in Example 14.1 covered twice the area, but was kept to...Check Your Understanding Why would it hurt more if you snapped your hand with a ruler than with a...Check Your Understanding When a guitar string is plucked, the guitar string oscillates as a result...Check Your Understanding Imagine you observe two firework shells explode. You hear the explosion of...

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