2003年10月8日 · :)In summary, the difference between surface area and total area depends on the context of the question. In the case of a cylinder, the surface area refers to the lateral …

2006年4月6日 · In summary, the conversation involves someone struggling to find the total area occupied by circles approaching the vertices of an equilateral triangle. They have tried …

2011年1月22日 · Homework Statement A piece of wire 12 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (Give your answers correct to two …

2012年8月29日 · What mass of sand grains would have a total surface area (the total area of all the individual spheres) equal to the surface area of a cube 1.1 m on an edge? 2. The attempt …

2013年3月7日 · Wrap a cylinder around that sphere. i.e. x^2+y^2 = R^2 with z between -R and R. Any region on the sphere has the same area as the corresponding area on the cylinder. The …

2015年1月27日 · A car has four tires in contact with the ground each of which is inflated to an absolute pressure of 3.1×105Nm^-2. If a person of mass 82 kg gets into the car by how much …

2012年1月29日 · Homework Statement A boiler drum is equipped with hemispherical heads (i.e. the two heads together make a sphere.) The diameter of the drum is 0.8 meters and the drum …

2014年7月14日 · If you read it correctly you will see that it says 'the "area" may be negative but area is always positive'. The first "area" is in quotes which means that it is using the word in a …

2024年10月6日 · This is not my wheelhouse so I'm open to being corrected (as I often am, here) but pressure isn't the total force over the total area. It's force per unit area. A one litre bottle at …

2009年9月4日 · Homework Statement Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density …