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242 cm^3 = 242 * 10^3 mm^3 = 242000 mm^3
Length of the wire = [Volume of Silver / cross-sectional area of the wire] = (242000 / (π*1^2)) = 77,030.992 mm ≈ 77 meters.
We have to calculate the lenght of a cylinder radius= 0,2 cms and volume= 242 cm^3
By solving the equation , V = r^2 x Pi x L, L = 77 meters rounded off numbers
A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal parts. Find the total length of the silver wire required.
A uniform wire of length 20cm is bent into shape V of 60 degree. What is distance of its center of mass from vertex A?
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