Experienced physics students always do the same thing whenever they write down an answer to a question: check the units. If the units are wrong, you know you've made a mistake! That way, you can catch your own errors and elevate your grade.

Dimensional analysis is your physics superpower:    • How to Succeed at Physics Without Rea...  

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About physics help room videos:
These are intro-level physics videos aimed at students taking their first physics classes. In each video, I'll teach you the fundamentals of a particular physics topic you're likely to meet in your first classes on mechanics and electromagnetism.

About me:
I’m Dr. Elliot Schneider. I love physics, and I want to help others learn (and learn to love) physics, too. Whether you’re a beginner just starting out with your physics studies, a more advanced student, or a lifelong learner, I hope you’ll find resources here that enable you to deepen your understanding of the laws of nature. For more cool physics stuff, visit me at https://www.physicswithelliot.com.