✨ Best Answer ✨
動量守恆
M·(V_MC) + m·(V_mC) = 0
⇒ M·(V_MC) + m·(V_mM + V_MC) = 0
⇒ (M+m)·(V_MC) + m·(V_mM) = 0
再移項就好了
想問一下這一題,為什麼是負號不是正號,有點看不懂解析
✨ Best Answer ✨
動量守恆
M·(V_MC) + m·(V_mC) = 0
⇒ M·(V_MC) + m·(V_mM + V_MC) = 0
⇒ (M+m)·(V_MC) + m·(V_mM) = 0
再移項就好了
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