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Follow along with our graduate GEYM tutor, Ole Krarup, as he explains the physics behind waves, sound and Doppler effect.

Key Concepts: Displacement Velocity Acceleration Equations of motion Projectile motion QUESTION 1: "A car is driving down a highway....

What is a "free body diagram" anyways? Basically, it's a drawing that shows all the force arrows affecting an object! How do we use them?

How fast does your car come to a stop and what does this have to do with differential equations and separation of variables?

Key concepts: Integrals/integration Definite and indefinite integrals Substitution Let's face it: Doing integrals and doing them right...

Key concepts: Derivatives/differentiation Product rule Chain rule Quotient rule If you are reading this tutorial, your teacher has...

Key concepts: Trigonometry Sine and cosine Geometry Look, we get it; trigonometry kind of sucks. As if regular geometry wasn't bad enough...

Do you find your homework on gravity to be unattractive? Don't worry! Check out our physics tutor's explanation of Newton's law of Gravity!

Key concepts: Circular motion Centrifugal force Newton's laws

What do billiard balls and colliding air molecules have in common? Check out our physics tutor's explanation of elastic collisions!

Have you ever been hit in the face with a snowball and wondered if both energy and momentum were conserved in the process?