Quadratic Drag in One Dimension Consider an object that is dropping quadratic drag force vertically (positive y direction is vertically down) subject to a fdrag = -f(v)v with f(v) cu2. (a) Write down the differential equation from Newton's second law for this object. (b) Show that the terminal speed is vter = (c) Solve for vy in the case of vyo Uter Vmg/c. Hint: You may find the integrals in Appendix E in Thornton & Marion useful (p613). |

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.