一個(gè)理想的單擺,已知其周期為T.由于某種原因,自由落體加速度變?yōu)樵瓉淼?span id="oq8ggcb" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,振幅變?yōu)樵瓉淼?span id="gyc94yi" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,擺長變?yōu)樵瓉淼?span id="rjixlpi" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,擺球質(zhì)量變?yōu)樵瓉淼?span id="lnlko3e" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,則它的周期變?yōu)樵瓉淼?!--BA-->
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