Physics
Senior High

どう計算したら(8.0×10のマイナス2乗)×9.8の答えは0.784になるんですか?

(2) 金属球が受ける重力は, W=mg から, W=(8.0×10-2) ×9.8=0.784N 浮力は鉛直上向きにはたらき,糸の張力の大

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