Posted on May 21, 2019September 5, 2019Vectors in Two Dimensions Visual Linear Algebra Online, Section 1.2 Image by Keith Johnston from Pixabay A big-league baseball player smashes a four-seam fastball with the sweet-spot of the bat. Is it a home run? The answer is — it depends. It depends on the launch angle and on it being a “fair ball”. In other words, what is the … Read the rest