When measuring the mass of an object with a balance, what should be done first? A. Putting the object on the balance pan directly. B. Adjusting the balance to make the pointer point to the zero mark. C. Recording the reading immediately. D. Ignoring the balance and using an E. ...
百度试题 结果1 题目18. What is the mass of Object D?D350g350 g△Answer::700g 相关知识点: 试题来源: 解析 700 反馈 收藏
In an experiment, we need to measure the mass of an object. What tool do we use? A. ruler B. thermometer C. balance D. stopwatch 相关知识点: 试题来源: 解析 C。测量物体质量使用天平(balance)。选项 A“ruler”是尺子;选项 B“thermometer”是温度计;选项 D“stopwatch”是秒表。
What is the mass of the present? g.A.100 B.200 C.300 D.400相关知识点: 试题来源: 解析 C N/A. 结果一 题目 What is the mass of the present? g.100g100g100g200gA.100 B.200 C.300 D.400 答案 CN/A.相关推荐 1What is the mass of the present? g.100g100g100g200gA.100 B....
If the mass of an object doubles and the force remains the same, what happens to the acceleration? A. Doubles B. Halves C. Remains the same D. Quadruples 相关知识点: 试题来源: 解析 B。原因:根据牛顿第二定律 F = ma,当 F 不变,m 变为原来的两倍时,a 变为原来的一半。
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...
百度试题 结果1 题目12. What is the mass of the apple as shown below?09300100200Answer: 190g 相关知识点: 试题来源: 解析 190 反馈 收藏
C. The reading on the spring scale increased. D. The spring scale broke. 相关知识点: 试题来源: 解析 C。解析:“As we added more mass to the object, the reading on the spring scale increased.”表明增加物体质量,弹簧测力计的读数增加。反馈 收藏 ...
百度试题 结果1 题目11. Study the diagrams below.What is the mass of0000,000一(1)8 台(2)(3)⇒ ▱←▱ (4)⇒⇔ ( 3)▱▱▱ ⇒⇔ 相关知识点: 试题来源: 解析 3 反馈 收藏
1 请翻译下面的英语化学题目What is the mass of one carbon atom in atomic mass unit(amu)What is the mass of one carbon atom in grams(g)What is the mass of one oxygen atom in amu?What is the mass of one oxygen atom in gThe sample of hydrogen has a mass of 1.01 amu?How manyhydrog...