MAP 2302 Midterm: MAP 2302 FIU Exam 216k
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Prof. s. hudson: [10 pts] a stone weighing 4 lbs falls from rest towards the earth from a great height. Solve a de to nd a formula for v(t): [15 pts] answer true or false. You do not have to explain, unless you think some part is ambiguous. If y1 and y2 are particular solutions of a 3rd order linear homogeneous de with variable coe cients, then y1 y2 is also a solution. The function f (x) = xex sin(2x) is a uc function. The uc set of x2ex contains exactly 4 functions. A free undamped motion could satisfy x + x + 2x = 0. If a free damped motion satis es x +8x +9x = 0, then it is under-damped and oscillatory: [10 pt] a 12-lb weight is attached to the lower end of a coil spring suspended from the ceiling. It comes to rest after stretching the spring 1. 5 in.
