A solid sphere of radius R has a charge Q distributed in its volume with a charge density, where k and a are constants and r is the distance from its centre. If the electric field atistimes that, find the value of a. View Solution ...
A solid hemisphere of radius 8cm is melted and recast intoxsphere of radius 2cm each. Findx View Solution A metallic sphere of radius 4.2 cm is melted and recast into the sphape of cylinder of radius 6 cm. Find the height of the cylinder. ...
百度试题 结果1 题目 6. Asolid sphere of radius 6 cm, is melted down and drawn out into a long cylindrical wire of uniform thickness of 0.2 cm. Find the length of the wire. 288 m 相关知识点: 试题来源: 解析 288 m 反馈 收藏 ...
英语翻译a sphere of radius r inside a cube touches each one of the six sides of the cube.let a "prd" number be defined as one in which the product of the positive divisors of the number,not including the number itself,is greater than the number.
the radius of a solid sphere is measured to be (6.50+-0.20)cm,and its mass is measured to be (1.85+-0.02)kg.determine the density of the sphere in kilogram per cubic meter and its uncertainty.不要剪接.万份感激.不要简捷* ;用英文解答为佳〉〉〉 为何δV=3δr=0.093? 相关知识点: 试...
Answer to: A solid sphere of radius 3 cm is melted and then recast into small spherical balls each of diameter 0.6 cm. Find the number of balls. By...
Asphereis a solid in which all the points on the round surface are equidistant from afixed point, known as the center of the sphere. The distance from the center to the surface is theradius. Surface area of a sphere is given by the formula: ...
16.3. A solid metal sphere has a radius of 4cm, correct to the nearest centimetre Mass of the sphere is 720g, correct to two significant figures.Work out the greatest possible density of the metal.Give your answer to three significant figures.4.04..g/cm^{3}(4) 相关知识点: 试题来源...
A solid sphere of radius R has a charge Q distributed in its volume with a charge densityρ=kra, where k and a are constants and r is the distance from its centre. If the electric field atr=R2is18times thatr=R, find the value of a. ...
16 A solid cylinder has radius r cm and height h cm. A solid sphere has radius r cm.The total surface areas of the solid cylinder and the sphere are equal.h r十Work out, in terms of r, the total volume of the cylinder. 相关知识点: 试题来源: 解析 S.A. of cylinder S.A....