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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 is pretty hard. I remember learning about them for the first time and having no clue what they meant or how to get started solving my homework. Let us walk through some example problems and see how integration actually works! Question 1: "Draw a graph of the function x^2 and determine the area between the curve and the x-axis on the inter

Key concepts: Derivatives/differentiation Product rule Chain rule Quotient rule If you are reading this tutorial, your teacher has probably told you about different ways to take "derivatives" of functions and given you a whole list of expressions to differentiate. You are here because you have no clue which method to use or how to get started. Don't worry, we've got you covered! Question 1: Find the derivative of using the "product rule" Hmm, how should we go about doi

Key concepts: Trigonometry Sine and cosine Geometry Look, we get it; trigonometry kind of sucks. As if regular geometry wasn't bad enough by itself, you are now being asked to remember all of these cosine and sine things (whatever they are). Let's get the basics straight: Question 1: "You point a laser range finder towards the tip of the CN tower at an angle of 70 degrees. It tells you that the tip is 588.8m away from where you are standing. Determine the height of the CN t

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?