Physics Course Basics and Quark Properties
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Questions and Answers

What is the charge of the up quark?

  • 0
  • +1/2
  • -1/3
  • +2/3 (correct)

Protons consist of two down quarks and one up quark.

False (B)

What role do neutrons play in the atomic nucleus?

They prevent the nucleus from coming apart due to repulsive forces between protons.

The neutron consists of two ______ quarks and one up quark.

<p>down</p> Signup and view all the answers

Match the following particles with their charges:

<p>Up quark = +2/3 Down quark = -1/3 Neutron = 0 Proton = +1</p> Signup and view all the answers

Which of the following particles has a net charge of zero?

<p>Neutron (C)</p> Signup and view all the answers

Quarks are not considered fundamental particles in physics.

<p>False (B)</p> Signup and view all the answers

Name the six varieties of quarks.

<p>Up, down, strange, charm, bottom, top.</p> Signup and view all the answers

What is the main focus of the physics course taught by Prof.Dr. E.F. Abo Zeid?

<p>Classical Physics, including mechanics and heat (D)</p> Signup and view all the answers

The final exam constitutes 30% of the overall grade in the course.

<p>False (B)</p> Signup and view all the answers

What is the primary textbook used for this physics course?

<p>Physics for Scientists and Engineers with Modern Physics by Serway and Jewett</p> Signup and view all the answers

The course is scheduled for Saturdays from _____ to _____ AM.

<p>9:00, 11:00</p> Signup and view all the answers

Match the following evaluations with their respective percentage contributions to the overall grade:

<p>Midterm Exam = 20% Practical Exam = 20% Assignments = 10% Final Exam = 50%</p> Signup and view all the answers

Why is studying physics considered important?

<p>It enhances critical thinking and practical skills. (D)</p> Signup and view all the answers

Cellphones are allowed to disturb lectures as long as they are turned to silent mode.

<p>False (B)</p> Signup and view all the answers

What are students required to do prior to exams according to the course policy?

<p>Inform excuses prior to the exam.</p> Signup and view all the answers

What is the average velocity of a particle moving according to the equation x = 10t^2 for the time interval from 2.00 s to 3.00 s?

<p>40 m/s (C)</p> Signup and view all the answers

A particle's speed increases as it moves in the negative direction when uniformly accelerated.

<p>False (B)</p> Signup and view all the answers

What is the acceleration of an object with an initial velocity of 12.0 cm/s if its position changes from 3.00 cm to -5.00 cm in 2.00 s?

<p>-12 cm/s^2</p> Signup and view all the answers

The position equation of a particle is given by x = 2 + 3t - 4t^2. The particle changes direction when t = ______ seconds.

<p>0.375</p> Signup and view all the answers

Match the following mechanics concepts with their definitions:

<p>Acceleration = Rate of change of velocity Velocity = Displacement per unit time Force = Mass times acceleration Momentum = Mass times velocity</p> Signup and view all the answers

In vector analysis, which of the following is true about vector addition?

<p>It is commutative. (C)</p> Signup and view all the answers

The scalar quantity associated with wave energy is momentum.

<p>False (B)</p> Signup and view all the answers

What is the primary characteristic of light as described in wave dynamics?

<p>It behaves as both a wave and a particle.</p> Signup and view all the answers

Flashcards

Nucleus Stability

Neutrons prevent the nucleus from breaking apart due to the repulsive forces between positively charged protons.

Proton Composition

A proton is made of two 'up' quarks and one 'down' quark.

Neutron Composition

A neutron is made of two 'down' quarks and one 'up' quark.

Quark Charges

Up, charm, and top quarks have a charge of +2/3 of a proton's charge; down, strange, and bottom quarks have a charge of -1/3 of a proton's charge.

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'Up' Quark Charge

+2/3 of the proton's charge.

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'Down' Quark Charge

-1/3 of the proton's charge.

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Repulsive Force in Nucleus

Positive charges in the nucleus repel each other. Neutrons help counter this force, keeping the nucleus stable.

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Quark Types

There are six different types of quarks: up, down, strange, charm, bottom, and top.

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Physics Course Schedule

The course meets on Saturdays from 9:00 AM to 11:00 AM.

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Instructor's Office Hours

Office hours are held on Saturdays during the lecture.

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Midterm Exam Weight

The midterm exam contributes 20% to the final grade.

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Final Exam Weight

The final exam accounts for 50% of the final grade.

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Textbook for Physics

Serway and Jewett, Physics for Scientists and Engineers with Modern Physics 8th edition, 2011 is the core text.

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Late Submissions Policy

Late assignments will not be accepted.

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Course Objective

The course aims to provide a strong foundation in classical physics, including mechanics and heat.

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Cell Phone Policy

Cell phones must not disrupt the lectures or classes.

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Average Velocity

The total displacement of an object divided by the total time taken.

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Displacement

The change in position of an object, measured in a straight line from the initial position to the final position.

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Position Equation

An equation that describes the position of an object at any given time.

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Motion in One Dimension

The movement of an object along a straight line.

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Scalar Quantity

A quantity that has only magnitude (size).

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Vector Quantity

A quantity that has both magnitude (size) and direction.

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Unit Vector

A vector with a magnitude of 1, used to indicate direction.

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Vector Components

The projections of a vector onto the axes of a coordinate system.

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Study Notes

Course Information

  • Course Title: Physics for Computer and Artificial Intelligence
  • Instructor: Prof. Dr. Essam Fadl Abo Zeid
  • Course Code: (Not provided)
  • Schedule: Saturdays, 9:00 AM - 11:00 AM
  • Office: 4th floor, Artificial and intelligence Building, Physics Department, Faculty of Science, Assiut University
  • Office Hours: Saturdays, during the lecture
  • Email: [email protected], [email protected]
  • Textbook:
    • Physics for Scientists and Engineers with Modern Physics by Serway and Jewett (8th edition, 2011)
    • Physics by G. Rowell & S. Herbert (4th edition, 2005)
    • Other readings may be announced
  • Lecture Notes: Provided
  • Midterm Exam: November 2024 (Details to be announced)
  • Grading:
    • Midterm Exam (20%)
    • Practical Exam (20%)
    • Assignments (10%)
    • Final Exam (50%)
  • Policy:
    • Attend lectures and lab sessions on time.
    • Late work will not be accepted.
    • Attend exams on scheduled dates and times.
    • Notify instructor of any missed exams in advance.
    • Cellphones must be turned off during lectures.
    • Follow university regulations regarding cheating and plagiarism.
    • Handle university facilities carefully
    • Pre-read assigned material to ensure student success.

Course Content

  • Chapter 1: Physical Quantity, Units, and Dimensions (1 week)
  • Chapter 2: Motion in one Dimension (2 weeks)
  • Chapter 3: Vector Analysis (2 weeks)
  • Chapter 4: Waves, Oscillations and Sound (2 weeks)
  • Chapter 5: Light lenses and mirrors (2 weeks)
  • Chapter 6: Heat and Thermodynamics (2 weeks)
  • Chapter 7: Electricity & Magnetism (2 weeks)

Chapter 1: Physical Quantity, Units and Dimensions

  • Topics:
    • Standards of length, mass, and time
    • Density and atomic mass
    • Dimensional Analysis
    • Conversion of units
  • Basic Quantities: Length (L), Mass (M), Time (T)
  • Standards: Meter (length), Kilogram (mass), Second (time)
  • SI Units: A system of units based on the above
  • CGS Units: A system of units used in historical contexts
  • Other Systems: Includes British Engineering System
  • Density: Mass per unit volume
    • Calculation Example (Aluminum and Lead)
  • Atomic mass (Mole concept): The mole and Avogadro's number
    • Calculation example using Aluminum and Lead

Chapter 2: Motion in One Dimension

  • Topics:
    • Position, Velocity and Speed
    • Instantaneous Velocity and Speed
    • Acceleration
    • One-dimensional motion with constant acceleration
    • Vector analysis

Chapter 3: Vector Analysis

  • Topics: Coordinate Systems (Cartesian and Polar)
  • Vector quantities: Have magnitude and direction
  • Scalar quantities: Have magnitude but no direction
  • Vector Addition: Triangle method, Parallelogram method, Polygon method.
  • Vector Subtraction:
  • Vector Multiplication by a scalar
  • Vector components
  • Unit Vectors: î, ĵ, k

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Description

Test your knowledge on the fundamentals of physics, including quark properties and course policies. This quiz assesses your understanding of atomic particles, grading criteria, and the importance of studying physics. Perfect for students preparing for their final exams in Prof. Dr. E.F. Abo Zeid's class.

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