Coffee drop experiment For the coffee filter the graph of position shows that it does not bounce out. Although we have done a fit with a quadratic equation, the coefficient… Click here to read more
Welcome to Physics Homework - Questions & Answers
This site was started back in 2008, and features, among others, a collection of physics homework exercises and tutorials for all levels of physics students (high school and college).
We hope our site will help you advance in your studies and make it easier to understand physics, hence the world that surrounds us!
All the contents of this site were written by Valentin Bogatu (Physics, PhD).
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The icy slope A frictionless icy slope of angle $\theta$ having a length $L$, followed by a horizontal portion, then by a bump ($R$) make a frictionless path as in… Click here to read more
The Analog-Digital Converter The input range of a 10 bit ADC varies from +0.1..+4.9V. a) What input step size has this analog-digital converter? b) For a full scale sine wave… Click here to read more
The falling electron Using the classic EM framework, a falling electron $e^-$ (a negative charge) emits energy/time as $W= (2/3)*(a^2e^2/c^3)$ (erg/s) where $a$ is the acceleration of the falling electron… Click here to read more