MATH 0290 Midterm: Math 0290 Exam 1 (0290) 2016 Sping -190
Document Summary
Show all your work (no work = no credit). Simplify your answers when possible: (15 points) a hospital received 200 mg of the isotope iodine 131. Page 2: (15 points) a 0. 2 kg mass is attached to a spring having a spring constant 5 kg/s2. The system is displaced 0. 3 m from its equilibrium position and released from rest. If there is no dumping present, nd the amplitude, frequency, and phase angle of the resulting motion. 6y + 9y = e3t. (a) (10 points) find the fundamental set of solutions of the corresponding homogeneous equation. (b) (10 points) Find a particular solution by using the method of variation of parameters. Find a particular solution by using the method of undetermined coe cients. (d) (10 points) Page 5 bonus problem (15 points extra) find the general solution of the equation x x.
