Question: ( a ) Write the following spring - mass system as a system of first - order DEs and solve with ode 4 5 for

(a) Write the following spring-mass system as a
system of first-order DEs and solve with ode45 for
t in [0,10]. Plot two figures; (t,x) and (x,x).
x
=4xx
, x(0)=1, x
(0)=0.
(b) Herhaal (a) vir die onderstaande Dung-tipe
nie-lineere veer-massa stelsel.
(b) Repeat (a) for the Dung-type nonlinear
spring-mass system below.
x
=4xx3, x(0)=1, x
(0)=0.
(c) Herhaal (a) vir die onderstaande veer-massa
stelsel met gegewe nie-lineere demping. Waarom
is die dempingsterm nie net eenvoudig(x)2 nie?
(c) Repeat (a) for the spring-mass system with non-
linear damping given below. Why is the damping
term not simply(x)2?
x
=4x|x
|x
, x(0)=1, x
(0)=0.
Wenk: Dit is genoeg om al drie grafieke van (a)-(c) op twee
figure in totaal te stip (i.e.,(t, x) en (x, x
) vir elke probleem).
Benoem die grafiek (labels) en gee n geskikte titel en name
vir die asse.
Hint: It is sucient to plot all

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