PHYS 2102 Midterm: PHYS 2102 LSU Fall 10Test1
Document Summary
September 16, 2010: please be sure to write your name and class instructor above, the test consists of 3 questions (multiple choice), and 4 problems (numerical). Points will be deducted if units are absent: for the problems: show your reasoning and your work no credit will be given for an answer without explanation or work. Note that in many of the problems, you can do parts (b) or (c) even if you get stuck on (a) or (b): you may use scientific or graphing calculators. Cell phones cannot be used as calculators: feel free to detach, use, and keep the formula sheet pages. No other reference material is allowed during the exam: good luck! An alpha particle is a helium nucleus, composed of 2 protons and 2 neutrons. Thus it possesses a mass of approximately 6. 7 10-27 kg, and a charge of +2e.
