Today I made a change where each chapter has it's most popular solution given away for free, without even having to log in. This is a replacement for the previous free trial system which was definitely sub-optimal in that a significant number of students were getting multiple free trials by entering multiple email addresses. An enormous amount of time went into preparing for and recording so many videos, and doing that required foregoing income from my regular classroom teaching job in order to do it. I support a family of four, with two small children, so I need to insist on some positive cashflow. Nevertheless, many thanks to the students who have paid for access, since your support is invaluable, and helps make the sacrifice of not teaching in the classroom in order to make these videos worthwhile. I hope you're finding good value, and that the small cost is not onerous.
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Giancoli Answers Blog
Today I added support for Giancoli's new 7th Global Edition. The questions are identical to those in the 7th Edition sold in the United States, but some were deleted or moved around. All I've done is create a menu that points students to the correct video (from the 7th Edition) based on the problem number in the 7th Global Edition. I hope the non-US students will benefit from this new feature!
Yesterday I added PayPal as a payment option for both the monthly and one year plans, in case some people prefer that to providing their credit card.
If you're doing April exams right now, I hope they're going well!
Done! At long last, all 1,930 7th Edition videos are now posted. I sincerely hope these tutorials are helpful with your studies. Enjoy!
I'm very pleased to announce that today saw the release of Chapter 31 about nuclear energy and radiation. Only two more chapters to go until the textbook coverage is complete!
More quantum mechanics was conquered in Chapter 28, and today's posting of Chapter 29 looks at semiconductors, which underlie most modern technology. Four more chapters to go until Giancoli's textbook is fully solved!
The New Year at Giancoli Answers is starting with Chapter 27: "Quantum Theory and Models of the Atom" posted today. Happy New Year, and good luck with your studies!
With today's release of Chapter 25: Optical Instruments, together with Chap. 24 released last week on "The Wave Nature of Light", this completes the topic of light for the 7th Edition. Enjoy! Now on to special relativity...
Check out the ray diagrams in the solutions for Chapter 23: Light - Geometric Optics, posted today. I hope the solutions are helping with your studies, and all the best preparing for December exams!
Faraday's Law, Electromagnetic Induction and Radiation, Magnetism. These are the topics that await in the solutions to Chapters 20 to 22 posted today. Enjoy!