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カーブを曲がる車: 向心力 \vec F_c = m \vec a_c は中心方向。半径100 mのカーブで1.000 kg、60 km/hの場合:
カーブを曲がる車: 向心力 \vec F_c = m \vec a_c は中心方向。半径100 mのカーブで1.000 kg、60 km/hの場合:
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