Example 1Calculate the total surface area of a solid cylinder with a height of 10 cm and a diameter of14 cm.(Useπ=(22)/7) 14 cm 相关知识点: 试题来源: 解析 The oglinder dloove has 2 circles and a ng rectangle on 2(7) 10 cm its surfuce Area of the two cirdles =2*((72)...
<p>To solve the problem, we need to find out how many small cones can be formed from a solid metal sphere. We will do this by comparing the volumes of the sphere and the cones.</p><p><strong>Step 1: Calculate the volume of the sphere.</strong> The formul
题目2 The total surface area, A cm2, of a solid cylinder with radius r cm and height 5cm is given by A=2πr^2+10 元r. Given that r is increasing at a rate of (0.2)/πcms^(-1) 1, find the rate of increase of A元when r is 6.[4] ...
107NOT TO SCALE6mm一-15 mm The diagram shows a solid made from a cylinder of radius 6 mm, length 15 mm and two hemispheres of radius 6 mm.(a) Calculate the total surface are a of the solid(i) in mm2,1020(1017 to 1018...)Answer(a)i.m 3](ii)in cm2.10.2(10.17to 10.18......
To solve the problem, we need to find the specific gravity of the material of the sphere given that it can float in water with a maximum load of 0.1 kg. Here’s a step-by-step breakdown of the solution: Step 1: Understand the forces acting on the sphereWhen the sphere is floating ...
A solid metal sphere has a radius of 4.00 cm and a mass of 1.794 kg. What is the density of the metal in g/cm^3? Density: The relation to calculate the density of a substance is shown below. d=mV Where, d is the density. m is...
A solid uniform cylinder of mass m and radius R is placed on an inclined surface, the inclination angle of which is with respect to the horizontal. A string is wrapped around the cylinder and is pulled parallel to the inclined surface, as shown in the figure. In order for the cylinder ...
Consider a solid circular cylinder of radius R and infinitely long with a uniform charge density ofρqover its whole volume and a uniform surface charge densityσ over its outer surface. Find the electric field both inside and outside the cylinder...
A cylinder has a radius of 2.38 mm and a height of 175 mm. Calculate the volume of the cylinder in liters. What is the height of a solid cylinder with a mass of 26.05 g, a diameter of 3.56 cm, and a density of 2.72 g/cm3?
The formula for the curved surface area (CSA) of a cylinder is given by:CSA=2πrhwhere r is the radius and h is the height of the cylinder. Step 2: Substitute the values into the formula.Given:- Radius r=21 cm- Height h=40 cm- π=227 Now substituting these values into the ...