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Get a big picture overview of what physics is, and get recommendations for prerequisite knowledge.

This tutorial is the backbone of your understanding of kinematics (i.e., the motion of objects). You might already know that distance = rate x time. This tutorial essentially reviews that idea with a vector lens (we introduce you to vectors here as well). So strap your belts (actually this might not be necessary since we don't plan on decelerating in this tutorial) and prepare for a gentle ride of foundational physics knowledge.

- Average velocity and average speed from graphsGet 3 of 4 questions to level up!
- Instantaneous velocity and instantaneous speed from graphsGet 3 of 4 questions to level up!

In a world full of unbalanced forces (which you learn more about when you study Newton's laws), you will have acceleration (which is the rate in change of velocity). Whether you're thinking about how fast a Porsche can get to 60mph or how long it takes for a passenger plane to get to the necessary speed for flight, this tutorial will help.

- Acceleration and velocityGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 300 Mastery points

We don't believe in memorizing formulas and neither should you (unless you want to live your life as a shadow of your true potential). This tutorial builds on what we know about displacement, velocity and acceleration to solve problems in kinematics (including projectile motion problems). Along the way, we derive (and re-derive) some of the classic formulas that you might see in your physics book.

- Setting up problems with constant accelerationGet 5 of 7 questions to level up!
- Kinematic formulas in one-dimensionGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 200 Mastery points

This tutorial has some of the old videos that Sal first did around 2007. This content is covered elsewhere, but some folks like the raw (and masculine) simplicity of these first lessons (Sal added the bit about "masculine").

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 500 Mastery points!