진자 운동

Question

진자 운동?

Accepted Answer

‪진자 실험‬ - PhET Interactive Simulations                                  phet.colorado.edu · sims · html‪진자 실험‬ - PhET Interactive Simulations                                 phet.colorado.edu · sims · html                                                                                                                  ‪진자 실험‬ - PhET Interactive Simulations