作者查詢 / kevin77605
作者 kevin77605 在 PTT [ Physics ] 看板的留言(推文), 共67則
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7F推:認真的嗎= =?10/30 14:38
2F推:樂理裡的頻率好像是高低 DO RE MI..強度是振幅大小10/26 20:41
3F→:大聲的DO和小聲的DO頻率一樣 振幅不同10/26 20:42
4F推:用ijk好像可以解10/26 12:36
7F推:假想力(離心力)使物體黏在脫水機上 脫水機給物體一正向10/26 09:15
8F→:力 再用摩擦係數求摩擦力 此摩擦力需大於重力 才不至於10/26 09:16
9F→:掉落 物體就會貼在上面10/26 09:16
7F推:乒乓球的位能來自於浮力與重力的合力作功10/26 11:22
10F推:不是相反 是呈靜力平衡10/24 19:32
11F→:太空人在太空中飄浮是靠離心力與重力抵消10/24 19:33
22F推:這兩個不是作用力與反作用力關係10/25 07:48
99F推:鼓面震動 我在想是不是跟半波長的共振有關?所以敲幾次10/16 07:38
100F→:應不影響頻率 而連敲兩次只影響振幅(第一次的能量被吸10/16 07:39
101F→:收後 第二次再增加能量)10/16 07:39
15F推:你跳起來也得要超過11KM/S才能飛離月球呀^^10/16 14:20
16F推: ^更正 地球10/16 14:26
5F→:喔~對 我想通了 繩子不會與地面完全水平 是趨近於水平10/13 17:15