General Physics Websites:
* HyperPhysics: [https://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html](https://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html) - A comprehensive website with explanations and formulas for various physics concepts.
* Physics Classroom: [https://www.physicsclassroom.com/](https://www.physicsclassroom.com/) - A website offering tutorials, simulations, and a glossary of physics terms, including formulas.
* Khan Academy: [https://www.khanacademy.org/science/physics](https://www.khanacademy.org/science/physics) - A free online learning platform with videos, exercises, and resources on physics, including formula explanations.
* MIT OpenCourseware: [https://ocw.mit.edu/courses/physics/](https://ocw.mit.edu/courses/physics/) - Provides access to MIT's physics course materials, including lectures, notes, and problem sets with formulas.
* Physics Stack Exchange: [https://physics.stackexchange.com/](https://physics.stackexchange.com/) - A Q&A platform where you can find discussions and solutions related to physics problems, including formulas.
Specific Physics Formulas:
* Wikipedia: [https://en.wikipedia.org/wiki/List_of_physical_quantities](https://en.wikipedia.org/wiki/List_of_physical_quantities) - Offers a list of physical quantities and their units, along with relevant formulas.
* Wolfram Alpha: [https://www.wolframalpha.com/](https://www.wolframalpha.com/) - A powerful computational knowledge engine where you can search for specific formulas and get instant results.
* Google Search: Using keywords like "physics formulas for [topic]" or "formula for [quantity]" can provide you with relevant resources.
Note: When using online resources, be cautious about the credibility of the source. Verify the information from multiple sources and consider the author's expertise and potential bias.