1A piece of wire of length 20 cm is bent into the shape of an isosceles triangle. If the length of one of the equal sides of the triangle is x cm, express the height of the triangle h cm as a function of x. What is the domain for this function? What is the co-...
A wire of lenggth 20 cm is bent in the form of a sector of a circle. The maximum area that can be snclosed by the wire is
题目【题目】 A thin wire of length a cm is bent to form the perimeter of a pentagon ABCDE in which BCDE is a rectangle, and ABE is an equilateral triangle. Let x cm be the length of CD and A(x) be the are a of the pentagon.Find A(x) in terms of x. 相关知识点: ...
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(II) A stiff wire 50.0 cm long is bent at a right angle in the middle. One section lies along the z axis and the other is along the line y = 2x in the xy plane. A current of 20.0 A flows in the wire—down the z axis and out the wire in ...
7P r cm Q A piece of wire of length 50 cm is bent to form the perimeter of a sector POQ of a circle. The radius of the circle is r cm and the angle POQ is 0 radians (see diagram).(i)Express 0 in terms of r and show that the area, A cm2, of the sector is given ...
A wire of length l and charge q is bent in form of a semicircle. The charge is uniformly distributed over the length. The electric field at the centre of semicircle is View Solution A charge Q is distribution over a metal sphere of radius R. What is the electric field and electric pote...
4. A piece of wire is bent into the shape of an equilateral triangle as shown in the figure below. The same wire is then bent into the shape of a square. Express the length of the square in terms of r.(r+ 1) cm Length of wire=(r+1)+(r+1)+(r+1)=3r+ 33r+3Length of ...
A thin wire of length L and uniform linear mass density rho is bent into a circular loop with centre at O as shown. The moment of inertia of the loop about th
1. Wall tie of wire for use in the building of double walls, where the tie is fastened in each wall for holding the walls together, and where the one or both ends of the tie (1) are bent in the formation of wire eyes (3, 4), the wire eye (3) is formed by a first bending...