, where r is the radius and h is the height of the cylinder. If the surface area is 40π square feet and the radius measures 4 feet, what is the height of the cylinder? Show your work. 相关知识点: 试题来源: 解析 1ft 1ft
<p>To find the area of a flat circular ring formed by two concentric circles with radii 9 cm and 5 cm, we can follow these steps:</p><p><strong>Step 1: Identify the radii</strong> Let the radius of the outer circle (C1) be \( R1 = 9 \) cm and the radius
Let's start by calculating the area of the circular base. You can calculate the area of a circle with the following formula: Abase=π⋅r2Abase=π⋅r2 where: AbaseAbase— Surface area of the base of the cone; ππ— Ratio of the circumference to the diameter of a circle; and rr—...
Urbanized Area Formula Program: Proposed CircularPeter Rogoff
(θ,ϕ) in the direction of the arriving wave through the formulaAe=(λ2/4π)g.Isotropic antennas, for whichg=1, have an effective areaAe=0.08λ2. For communication between two antennas having the same polarization of the electric and magnetic fields, as shown inFig. 1, the received ...
[translate] aConsider air flowing at high-speed through a convergent-divergent nozzle having a circular cross-sectional area, A, that varies with axial distance from the throat, x, according to the formula 正在翻译,请等待... [translate] ...
Here's two contributions from Spinner GmbH, on waveguide cross sections (including ordinary, reduced height, circular and double-ridged) and waveguide flange dimensions, both in pdf documents. These are the most comprehensive lists we have seen so far. Thanks! Updated August 2024: Here are the ...
A circular coil of 20 turns and radius 10cm is placed in a uniform magnetic field of 0.10T normal to the place of the coil. If the current in the coil is 5.0A, what is the (a) total torque on the coil, (b) total force on the coil, (c) Given, N=1029m−3, A=10−...
Fig. 6.10. (a).A variable area flowmeter. Air from the inlet (i) forces the float (f) to rise in the tapered graduated glass tube (t) to an equilibrium position. The outlet (o) of these meters is necessarily at the top. Sign in to download full-size image ...
There are many existing solutions rooted primarily in the concept of ship domain and path-planning algorithms. However, among these, a geometrical approach to the determination of a required maneuvering area considering the dynamic nature of ship operations in close-quarters situations is still missing...