Velocity and accelerationdxT0+-のAsin(のt +@) =のAcosV二2dtd?x-の? Acos(t +Φ) = Acos(0+元)a=dt?Can also be treated as SHM. Phase difference?OAQAA0-A-OA-OA
Velocity and acceleration sin( ) dx v A t dt = = − + cos 2 A = + 2 2 2 cos( ) d x a A t d t = = − + ( ) 2 = + Acos Can also be treated as SHM. Phase difference?
Determine motional equationx = Acos(ot +β)v= -OAsin(ot +β)0=/k/mdetermined by the systemA and @ : integral constants → initial conditionsWhen t=O: x = Acosβ =-0Asing =-= Asinp02Votan @0xo
Determine motional equation x A t = + cos( ) = k m/ determined by the system A and : integral constants → initial conditions v A t = − + sin( ) When t=0: 0 x A = cos 0 v A = − sin 0 sin v A − = 2 2 0 0 2 v A x = + 0 0 tan v x = −