0. Math Review

1. Intro to Physics Units

2. 1D Motion / Kinematics

3. Vectors

4. 2D Kinematics

5. Projectile Motion

6. Intro to Forces (Dynamics)

7. Friction, Inclines, Systems

8. Centripetal Forces & Gravitation

9. Work & Energy

10. Conservation of Energy

11. Momentum & Impulse

12. Rotational Kinematics

13. Rotational Inertia & Energy

14. Torque & Rotational Dynamics

15. Rotational Equilibrium

16. Angular Momentum

17. Periodic Motion

18. Waves & Sound

19. Fluid Mechanics

20. Heat and Temperature

21. Kinetic Theory of Ideal Gases

22. The First Law of Thermodynamics

23. The Second Law of Thermodynamics

24. Electric Force & Field; Gauss' Law

25. Electric Potential

26. Capacitors & Dielectrics

27. Resistors & DC Circuits

28. Magnetic Fields and Forces

29. Sources of Magnetic Field

30. Induction and Inductance

31. Alternating Current

32. Electromagnetic Waves

33. Geometric Optics

34. Wave Optics

36. Special Relativity

[BOOK PHYS] !CLUTCH

Anderson Video - Electric Fields on the Atomic Scale

Balancing a Pendulum in Electric Field

In the following figure, a mass m is balanced such that its tether is perfectly horizontal. If the mass is m and the angle of the electric field is ?, what is the magnitude of the electric field, E?<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/19631f0a"alt=""/>

If two equal charges are separated by some distance, they form an electric dipole. Find the electric field at the center of an electric dipole, given by the point P in the following figure, formed by a 1C and a −1C charge separated by 1 cm.<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/250cbd92"alt=""/>

Physics 36   The Electric Field (4 of 18)

A 1.5μC charge, with a mass of 50g, is in the presence of an electric field that perfectly balances its gravity. What magnitude does the electric field need to be, and in what direction does it need to point?

Electric Field (2 of 3) Calculating the Magnitude and Direction of the Electric Field

Electric Field Above Two Charges (Triangle)

Anderson Video - Electric Field

Anderson Video - Electric Field from Two Charges

CP A proton is traveling horizontally to the right at 4.50 * 10^6 m/s. (b) How much time does it take the proton to stop after entering the field?

Electric Field

Zero Electric Field due to Two Charges

4 charges are arranged as shown in the following figure. Find the magnitude of the electric field at the center of the arrangement, indicated by the point P.<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/876bb882"alt=""/>

Candle Flame in an Electric Field

What is an Electric Field? (Physics - Electricity)

Electric Field Strength

Anderson Video - Electric Field Example with Four Charges

Introduction to Electric Fields

<math display='inline'><mrow><mn>8.4</mn><mo>&#x00D7;</mo><msup><mrow><mn>10</mn></mrow><mn>5</mn></msup><mtext>&#x00A0;</mtext><mtext>N/C,</mtext><mtext>&#x00A0;</mtext><mtext>upward</mtext></mrow></math>

<math display='inline'><mrow><mn>1.3</mn><mo>&#x00D7;</mo><msup><mrow><mn>10</mn></mrow><mn>6</mn></msup><mtext>&#x00A0;</mtext><mtext>N/C,</mtext><mtext>&#x00A0;</mtext><mtext>upward</mtext></mrow></math>

<math display='inline'><mrow><mn>1.3</mn><mo>&#x00D7;</mo><msup><mrow><mn>10</mn></mrow><mn>6</mn></msup><mtext>&#x00A0;</mtext><mtext>N/C,</mtext><mtext>&#x00A0;</mtext><mtext>downward</mtext></mrow></math>

<math display='inline'><mrow><mn>6.2</mn><mo>&#x00D7;</mo><msup><mrow><mn>10</mn></mrow><mn>6</mn></msup><mtext>&#x00A0;</mtext><mtext>N/C,</mtext><mtext>&#x00A0;</mtext><mtext>upward</mtext></mrow></math>

<math display='inline'><mrow><mn>6.2</mn><mo>&#x00D7;</mo><msup><mrow><mn>10</mn></mrow><mn>6</mn></msup><mtext>&#x00A0;</mtext><mtext>N/C,</mtext><mtext>&#x00A0;</mtext><mtext>downward</mtext></mrow></math>

<math display='inline'><mrow><mn>8.4</mn><mo>&#x00D7;</mo><msup><mrow><mn>10</mn></mrow><mn>5</mn></msup><mtext>&#x00A0;</mtext><mtext>N/C,</mtext><mtext>&#x00A0;</mtext><mtext>downward</mtext></mrow></math>

A <math display='inline'><mrow><mn>1</mn><mo>.</mo><mrow><mn>2</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">g</mi></mrow></mrow></math> plastic bead is given a charge of <math display='inline'><mrow><mo>&#x2212;</mo><mn>14</mn><mtext>&#x00A0;</mtext><mtext>nC</mtext></mrow></math> by rubbing. What magnitude and direction of electric field is necessary to levitate the bead?

CP A proton is traveling horizontally to the right at 4.50 * 10^6 m/s. (a) Find the magnitude and direction of the weakest electric field that can bring the proton uniformly to rest over a distance of 3.20 cm.

A +8.75-mC point charge is glued down on a horizontal frictionless table. It is tied to a -6.50-mC point charge by a light, nonconducting 2.50-cm wire. A uniform electric field of magnitude 1.85 * 10^8 N/C is directed parallel to the wire, as shown in Fig. E21.34. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/b9f8f5c429a16273-1674074204493.jpg" alt="" /> (b) What would the tension be if both charges were negative?

CP A proton is traveling horizontally to the right at 4.50 * 10^6 m/s. (c) What minimum field (magnitude and direction) would be needed to stop an electron under the conditions of part (a)?

A very long, straight wire has charge per unit length 3.20 * 10^-10 C/m. At what distance from the wire is the electricfield magnitude equal to 2.50 N/C?

Intro to Electric Fields

Electric Field due to a Point Charge

Two positive point charges q are placed on the x-axis, one at x = a and one at x = -a. (a) Find the magnitude and direction of the electric field at x = 0.

Anderson Video - Electric Field Vectors

A +8.75-mC point charge is glued down on a horizontal frictionless table. It is tied to a -6.50-mC point charge by a light, nonconducting 2.50-cm wire. A uniform electric field of magnitude 1.85 * 10^8 N/C is directed parallel to the wire, as shown in Fig. E21.34. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/d3e21b4a291acf5d-1674168294632.jpg" alt="" /> (a) Find the tension in the wire.

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