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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