MATH528 Lesson01: ODE models

Physical model examples

Falling stone

eq1=D[y[x],{x,2}]==g

y[x] /. DSolve[eq1,y[x],x][[1,1]]

Vibrating mass-spring

eq2=m D[y[x],{x,2}]+k y[x] == 0

y[x] /. DSolve[eq2,y[x],x][[1,1]]