An object on a simple oscillating, undamped spring may be modelled by the differential equation I"(t) = -1(t), where r(t) describes the signed...
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Screen Shot 2019-10-01 at 6.01.50 AM.png Hi! I got the answer for (a)

but I'm having trouble figuring out how to do (b) and (c). Could you please help me find the solutions to these problems? Thank you in advance!

Screen Shot 2019-10-01 at 6.01.50 AM.png

An object on a simple oscillating, undamped spring may be modelled by the differential equation
I"(t) = -1(t),
where r(t) describes the signed length of the spring at time t.
1. (a) The trivial solution r(t) = 0 satisfies this differential equation. Describe what physical scenario this
solution represents.
(b) Find at least three other solutions to the differential equation.
(c) Describe what it means for this differential equation to have multiple solutions. What do the solutions
represent?

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