L= Iω= mvR τ=Iα = L2−L1= ∆L tt ΣE1 = ΣE21mv2 +1Iω2+mgh +1kx2 =1mv2 +1Iω2 +mgh+1kx2 2121 = ♡ @ สนามเด็กเล่นใกล้ๆสี่แยกดาวปิกาซัส Tags: 24 comments 856 likes 24 shares Share this: unknown About author not provided View all posts