College Physics

1st Edition

Paul Peter Urone, Roger Hinrichs

Publisher: OpenStax College

ISBN: 9781938168000

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Chapter

Section

Problem 1CQ:

Models are particularly useful in relativity and quantum mechanics, where conditions are outside...

Problem 2CQ:

How does a model differ from a theory?

Problem 3CQ:

If two different theories describe experimental observations equally well, can one be said to be...

Problem 4CQ:

What determines the validity of a theory?

Problem 5CQ:

Certain criteria must be satisfied if a measurement or observation is to be believed. Will the...

Problem 6CQ:

Can the validity of a model be limited, or must it be universally valid? How does this compare to...

Problem 7CQ:

Classical physics is a good approximation to modern physics under certain circumstances. What are...

Problem 9CQ:

Can classical physics be used to accurately describe a satellite moving at a speed of 7500 m/s?...

Problem 10CQ:

Identify some advantages of metric units.

Problem 12CQ:

Prescriptions for vision correction are given in units called diopters (D). Determine the meaning of...

Problem 1PE:

The speed limit on some interstate highways is roughly 100 km/h. (a) What is this in meters per...

Problem 2PE:

A car is traveling at a speed of 33 m/s. (a) What is its speed in kilometers per hour? (b) Is it...

Problem 3PE:

Show that 1.0m/s=3.6Km/h. Hint: Show the explicit steps involved in converting 1.0m/s=3.6Km/h.

Problem 4PE:

American football is played on a 100-yd-long field, excluding the end zones. How long is the field...

Problem 5PE:

Soccer fields vary in size. A large soccer field is 115 long and 85 m wide. What are its dimension...

Problem 6PE:

What is the height in meters of a person who is 6 ft 1.0 in. tall? (Assume that 1 meter equals 39.37...

Problem 7PE:

Mount Everest, at 29,028 feet, is the tallest mountain on the Earth. What is its height in...

Problem 9PE:

Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such...

Problem 10PE:

(a) Refer to Table 1.3 to determine the average distance between the Earth and the Sun. Then...

Problem 11PE:

Suppose that your bathroom scale reads your mass as 65 kg with a 3% uncertainty. What is the...

Problem 12PE:

A good-quality measuring tape can be off by 0.50 cm over a distance of 20 m. What is its percent...

Problem 13PE:

(a) A car speedometer has a 5.0% uncertainty. What is the range of possible speeds when it reads 90...

Problem 14PE:

An infant's pulse rate is measured to be 1305 beats/min. What is the percent uncertainty in this...

Problem 15PE:

(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she...

Problem 17PE:

State how many significant figures are proper in the results of the following calculations: (a)...

Problem 18PE:

(a) How many significant figures are in the numbers 99 and 100? (b) If the uncertainty in each...

Problem 19PE:

(a) If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h, what is the percent...

Problem 20PE:

(a) A person's blood pressure is measured to be 1202 mm Hg. What is its percent uncertainty? (b)...

Problem 21PE:

A person measures his or her heart rate by counting the number of beats in 30 s. If 401 beats are...

Problem 22PE:

What is the area of a circle 3.102 cm in diameter?

Problem 23PE:

If a marathon runner averages 9.5 mi/h, how long does it take him or her to run a 26.22-mi marathon?

Problem 24PE:

A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12 s. There is an uncertainty of...

Problem 25PE:

The sides of a small rectangular box are measured to be 1.800.01,2.050.02, and 3.10.1 cm long....

Problem 26PE:

When non-metric units were used in the United Kingdom, a unit of mass called the pound-mass (lbm)...

Problem 27PE:

The length and width of a rectangular room are measured to be 3.9550.005 m and 3.0500.005 m....

Problem 28PE:

A car engine moves a piston with a circular cross section of 7.5000.002 cm diameter a distance of...

Problem 29PE:

How many heartbeats are there in a lifetime?

Problem 30PE:

A generation is about one-third of a lifetime. Approximately how many generations have passed since...

Problem 31PE:

How many times longer than the mean life of an extremely unstable atomic nucleus is the lifetime of...

Problem 32PE:

Calculate the approximate number of atoms in a bacterium. Assume that the average mass of an atom in...

Problem 33PE:

Approximately how many atoms thick is a cell membrane, assuming all atoms there average about twice...

Problem 34PE:

(a) What fraction of Earth's diameter is the greatest ocean depth? (b) The greatest mountain height?

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Chapter 1 - Introduction: The Nature Of Science And PhysicsChapter 2 - KinematicsChapter 3 - Two-dimensional KinematicsChapter 4 - Dynamics: Force And Newton's Laws Of MotionChapter 5 - Further Applications Of Newton's Laws: Friction, Drag, And ElasticityChapter 6 - Uniform Circular Motion And GravitationChapter 7 - Work, Energy, And Energy ResourcesChapter 8 - Linear Momentum And CollisionsChapter 9 - Statics And TorqueChapter 10 - Rotational Motion And Angular Momentum

Chapter 11 - Fluid StaticsChapter 12 - Fluid Dynamics And Its Biological And Medical ApplicationsChapter 13 - Temperature, Kinetic Theory, And The Gas LawsChapter 14 - Heat And Heat Transfer MethodsChapter 15 - ThermodynamicsChapter 16 - Oscillatory Motion And WavesChapter 17 - Physics Of HearingChapter 18 - Electric Charge And Electric FieldChapter 19 - Electric Potential And Electric FieldChapter 20 - Electric Current, Resistance, And Ohm's LawChapter 21 - Circuits And Dc InstrumentsChapter 22 - MagnetismChapter 23 - Electromagnetic Induction, Ac Circuits, And Electrical TechnologiesChapter 24 - Electromagnetic WavesChapter 25 - Geometric OpticsChapter 26 - Vision And Optical InstrumentsChapter 27 - Wave OpticsChapter 28 - Special RelativityChapter 29 - Introduction To Quantum PhysicsChapter 30 - Atomic PhysicsChapter 31 - Radioactivity And Nuclear PhysicsChapter 32 - Medical Applications Of Nuclear PhysicsChapter 33 - Particle PhysicsChapter 34 - Frontiers Of Physics

This introductory, algebra-based, two-semester college physics book is grounded with real-world examples, illustrations, and explanations to help students grasp key, fundamental physics concepts. College Physics includes learning objectives, concept questions, links to labs and simulations, and ample practice opportunities to solve traditional physics application problems. This book is available for free online by searching for OpenStax College Physics.

We offer sample solutions for College Physics 天津彩票官方开奖work problems. See examples below:

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Models are particularly useful in relativity and quantum mechanics, where conditions are outside...Give an example in which there are clear distinctions among distance traveled, displacement, and...Which of the following is a vector: a person's height, the altitude on Mt. Everest, the age of the...Propose a force standard different from the example of a stretched spring discussed in the text....Define normal force. What is its relationship to friction when friction behaves simply?There an analogy between rotational and physical quantities. What rotational quantities are...Give an example of something think of as work in everyday circumstances that is not work in the...An object that has a small mass and an object that has a large mass have the same momentum. Which...What can you say about the velocity of a moving body that in dynamic equilibrium? Draw a sketch of...

Analogies exist between rotational and translational physical quantities. Identity the rotational...What physical characteristic distinguishes a fluid from a solid?What is the difference between flow rate and fluid velocity? How are they related?What does it mean to say that two systems are in thermal equilibrium?How is heat transfer related to temperature?Describe the photo of the tea kettle at the beginning of this section in terms of heat transfer,...Describe a system in which elastic potential energy is stored.How do sound vibrations of atoms differ from thermal motion?There are very large numbers of charged particles in most objects. Why, then, don't most objects...Voltage is the common word for potential difference. Which term is more descriptive, voltage or...Can a wire carry a current and still be neutral-that is, have a total charge of zero? Explain.A switch has a variable resistance that is nearly zero when closed and extremely large when open,...Volcanic and other such activity at the mid-Athletic ridge extrudes material to fill the gap between...How do the multiple-loop coils and iron ring in the version of Faraday's apparatus shown in Figure...The direction of the electric field shown in each part of Figure 24.5 is that produced by the charge...Using the law of reflection, explain how powder takes the shine off of a person’s nose. What is the...If the lens of a person’s eye is removed because of cataracts (as has been done since ancient...What type of experimental evidence indicates that light is a wave?Which of Einstein's postulates of special relativity includes a concept that does not fit with the...Give an example of a physical entity that is quantized. State specifically what the entity is and...Name three different types of evidence for the existence of atoms.Suppose the range for 5.0 MeVa ray is known to be 2.0 mm in a certain material. Does this mean that...In terms of radiation dose, what is the major difference between medical diagnostic uses of...The total energy in the beam of an accelerator is far greater than the energy of the individual beam...Explain why it only appears that we are at the center of expansion of the universe and why an...

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