2.4 Vectors and trig Notice that the x and y components of a vector are at right angles to each other, and the magnitude of the vector makes the hypotenuse of the triangle. We can use trig functions and the Pythagorean Continue Reading
2.3 Vector arithmetic and algebra 2.3.1 Scalar multiplication Example You may use the interactive below to observe how scalar multiplication works. You can adjust the x and y components of the vector, and also adjust the scalar c. After playing around with the Continue Reading
1.3 Pythagorean theorem Example Example Practice Practice Practice
4.4 Acceleration Practice 4.4.1 Determining acceleration from a velocity vs. time plot Practice
4.3 Position vs. time graphs Practice Practice
4.2 Velocity Practice Practice Practice Practice
When studying physics, you’ll often find that the words we use in physics have slightly different meanings than when we use the same word in every day life. This is because when we’re communicating about science we need to be Continue Reading
Latex MathJax inline This is the mass energy conversion $latex E = m c ^ 2 $ formula. MathJax newline This is the mass energy conversion $$E=mc^2$$ formula