Mass is a measure of the amount of matter in an object. What is the SI unit of mass? A. gram B. kilogram C. pound D. ounce 相关知识点: 试题来源: 解析 B。A 选项 gram 克,不是国际单位制中的基本单位;C 选项 pound 磅和 D 选项 ounce 盎司都是英制单位;B 选项 kilogram 千克是国际...
Question: A mass oscillates with a period of 2.8 s on the end of a spring that has a spring constant of 75 N/m. What is the magnitude of the mass? Spring Constant: In physics, the spring constant is the practical value...
【题目 】感激不敬1. a. What is the marimum mass of KCI that can be dissolred in each 100g of water?If the temperature of the water is 60 C b. a solution is made by dissolving 55g of KN O3 in 100g of water at 60 C.Is this solution saturated,unsaturated,or supersaturated? c...
1. Mass is a property of a physical body and it is also given as a measure of resistance to acceleration for a body when a net force is applied. In simple words, mass is essentially "how much stuff" is in an object. Kilogram is the SI unit of ma...
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The molar mass of a substance is the mass of one mole of that substance. What is the unit of molar mass? A. g/mol B. mol/g C. L/mol D. mol/L 相关知识点: 试题来源: 解析 A。本题考查摩尔质量的单位。摩尔质量是指单位物质的量的物质所具有的质量,单位是克每摩尔(g/mol)。选项 B ...
a我和他都不满意这部作品 I and his all unsatisfied this work[translate] aaddressees destinatari[translate] a阿静 Arab League static[translate] aB 、telephone B、电话[translate] a我想那一定 I thought[translate] aWhat is the mass of # 什么是大量#[translate]...
Do you know what the body mass index(体重指数) is?According to the National Healthy Service,BMI is a measure(测量方法) that uses your height and weight to work out if you are fit.Some cities in China have included BMI in the PE test for the high school entrance exam,or zhongkao.For ...
How to measure the volume of irregular object? What SI unit is used to measure mechanical energy? What is the weight, in n, of an object with a mass of 200 g? How are the mass and weight of an object related? Which one of the following tools would be most appropriate to measure bo...
What is the definition of mass?Mass:The field of science has explained events, reactions, and properties of everything around us. As part of understanding and appreciating the field of science, it is necessary to know the basic definition of terms, laws, and theories. Mass is a common term...