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✨ Jawaban Terbaik ✨

参考・概略です

(1) K=(1/2)mv²

   =(1/2)×(3.0)×(2.0)²

   =6.0

(2) W=(1/2)mv²-(1/2)mv₀²

   =(1/2)×(3.0)×(0)²-(1/2)×3×(2.0)²

   =-6.0

(3) Fs=W

  F×(12)=-6.0

     F=-0.5

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Apa kebingunganmu sudah terpecahkan?