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Φυσική Γ΄Λυκείου Κατεύθυνσης-Ταλαντώσεις

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.|+ t A t A at A t A ut A x2 22 radradradx au ax u 22 . ()( )( )( )ooot A at A ut A x + + + 2 : . . . x=+A/ 2 .(t=0, x=+A/ 2 ,u > 0 ). 2 0 < o ()T to 2 . : 2 2( ) ( ) F m a m x m x D x u u rr r .. . . D , S.I 1N/m . (D=K).(D= m 2) 2D Dm m 2T22D mTT m D ( )21( )212FE W O P D A AE D A . , F=D x . , , . FxDx0x . :212U D x :212K m u . ( )2 2 2 2u A x u 2max2 2 221212121u m A D x D u m + . . 1. Q Q= =CE CE= =CV CV . t=0 2 LC (q=Q , i=0). : . 1. ==/ ==/R R . t=0 2 LC (q=0 , i=I=IMAX). : :( )

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