力 vs 能量
不是一個物理量。
• 60哩時速滾動阻力每小時約6.2kWh,這話有錯?kWh是每小時的能量,上述句子告訴你阻力在 -khyang86- ♂ (67 bytes) () 06/05/2024 postreply 08:22:47
• 力的單位是什麽? -TBz- ♂ (0 bytes) () 06/05/2024 postreply 08:25:37
• 怎麽,想開一個綫上物理課教程? -khyang86- ♂ (0 bytes) () 06/05/2024 postreply 10:32:18
• 你用230N 就可以算出在60mph 時需要6.2kW才能克服230N的滾動阻力,所以每小時就是6.2kWh -khyang86- ♂ (0 bytes) () 06/05/2024 postreply 12:29:27
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