Question: 1. Consider the spring-mass system: 0.1r + 10r = 3 cos(wt), x(0) =0, r'(0) =0 (a) Solve for r(t) when w = 11. (b) Rewrite

1. Consider the spring-mass system: 0.1r + 10r = 3 cos(wt), x(0) =0, r'(0) =0 (a) Solve for r(t) when w = 11. (b) Rewrite your answer using the trig identity: cos( B) - cos(A) = 2 sin (4,,") sin( ( 4+B (c) Sketch the graph of your solution

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