A joule is the standard unit of energy or work in the SI standard, which defines the joule in terms of kilograms, meters and seconds: J = kg∙m2∙s-2 A watt can also be expressed in these terms by combining the two previous formulas: W = J/s = (kg∙m2∙s-2)/s = kg...
结果1 题目The unit of power is ___. A. joule B. newton C. watt D. ampere 相关知识点: 试题来源: 解析 C。功率(power)的单位是瓦特(watt)。joule(焦耳)是能量的单位;newton(牛顿)是力的单位;ampere(安培)是电流的单位。反馈 收藏
百度试题 结果1 题目The unit of power is the ___. A. watt B. joule C. volt-ampere D. coulomb 相关知识点: 试题来源: 解析 A 反馈 收藏
The unit of pressure is___. A. newton B. pascal C. joule D. watt 相关知识点: 试题来源: 解析 B。压强的单位是帕斯卡(pascal)。newton 是牛顿,力的单位;joule 是焦耳,能量单位;watt 是瓦特,功率单位。本题考查物理单位的英语表达及辨析,根据物理知识可知压强单位是帕斯卡。反馈...
Which of the following is the correct unit for force in the International System of Units (SI)? A. Joule B. Newton C. Watt D. Pascal 相关知识点: 试题来源: 解析 B。在国际单位制(SI)中,力的正确单位是牛顿(Newton)。选项 A 的“Joule”是能量的单位焦耳;选项 C 的“Watt”是功率的单位...
Power is the rate at which work is done. What is the unit of power? A. joule B. watt C. newton D. kilogram 相关知识点: 试题来源: 解析 B。A 选项 joule 是焦耳,是能量的单位;C 选项 newton 是牛顿,是力的单位;D 选项 kilogram 是千克,是质量的单位;B 选项 watt 是瓦特,是功率的单位。
百度试题 结果1 题目The unit of energy is ___. A. newton B. joule C. watt D. ampere 相关知识点: 试题来源: 解析 B。能量的单位是焦耳(joule)。牛顿(newton)是力的单位,瓦特(watt)是功率单位,安培(ampere)是电流单位。反馈 收藏
A watt is a unit of power that measures the rate at which energy is consumed or produced. One watt is equal to one joule per second and is denoted by the symbol "W." On the other hand, a watthour is a unit of total energy consumed or produced over a specific period of time. One...
百度试题 结果1 题目The SI unit for work is the ___. A. joule B. newton C. pascal D. watt 相关知识点: 试题来源: 解析 A 反馈 收藏
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