Ramm A.G.: Formula for the radius of the support of the potential in terms in scattering data. J. Phys. A 31 , 39–44 (1998) ADS MathSciNetRamm A.G., Arredondo J.H., Izquierdo B.G. Formula for the radius of the support of the potential in terms of the scattering data, ...
The formula for the area of a circle is A = πr². What does 'r' stand for in this formula? A. radius B. diameter C. circumference D. area 相关知识点: 试题来源: 解析 A。本题考查圆的面积公式中字母的含义。'r'在圆的面积公式 A = πr² 中代表半径(radius)。选项 B 直径(...
Formula for the radius of the support of the potential in terms of scattering data of Phys. A, 31, N1, pp. L39-L44.Formula for the radius of the support of the potential in terms of the scattering data - Ramm, Arredondo, et... R Ag.,I Bc.,A Jh. - 《Journal of Physics.a....
The formula for the radius of the circle circumscribed about a triangle (circumcircle) is given by $R = \dfrac{abc}{4A_t}$ where At is the area of the inscribed triangle. Derivation: If you have some questions about the angle θ shown in the figure above, see the relationship betw...
The formula for the area of a circle is A = πr², where r is the ___ of the circle. 查看试卷及答案 相关搜索 1 多半圆的面积计算公式 2 圆锥过母线的截面面积 3 圆锥过母线的截面面积 4 圆形的面积公式推导过程 答案解析 B。本题考查数学术语。“radius”意思是“半径”,在圆的面积公式中...
A. The radius of the circle B. The diameter of the circle C. The length around the circle D. The area of the circle 相关知识点: 试题来源: 解析 C。本题考查圆的周长公式中“circumference”的含义。选项 A 是圆的半径;选项 B 是圆的直径;选项 D 是圆的面积。而“circumference”指的是圆的...
The formula for the area of a circle is A = πr². If the radius r is doubled, the new area will be ___ times the original area. A. two B. three C. four D. five 相关知识点: 试题来源: 解析 C。本题考查对数学公式中变量变化的理解以及英语表达中的倍数关系。当半径 r 加倍时...
a the length of a side onlyb the height onlly3The surface area S of a cylinder is given by the formula S=2πrh+2πr方.The height h of the cylinder shown at the right is 5 more than 3 times its radius r.a write a formula for the surface area of the cylinder in terms of its...
In mathematics, the formula for the area of a circle is pi times the radius squared. If the radius of a circle is 4 centimeters, what is the area? A. 16 pi square centimeters B. 12 pi square centimeters C. 18 pi square centimeters D. 14 pi square centimeters ...
结果1 题目 The formula for the circumference of a circle is C = 2πr. If the radius of a circle is 5 cm, what is the circumference? A. 10π cm B. 15π cm C. 20π cm D. 25π cm 相关知识点: 试题来源: 解析 C。周长 C = 2π×5 = 10π cm。 反馈 收藏 ...