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Joule-second : ウィキペディア英語版 | Joule-second
The joule-second (J s or J·s) is a unit equal to a joule multiplied by a second, used to measure action or angular momentum. The joule-second is the unit used for Planck's constant. In SI base units, the joule-second is ==Action== The action of a system has the dimensions of energy integrated over time; it is therefore measured in joule-seconds.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Joule-second」の詳細全文を読む
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