A symmetrical gutter is made from a sheet of metal 30 cm wide by bending it twice as
Chapter 17, Problem 18(choose chapter or problem)
A symmetrical gutter is made from a sheet of metal 30 cm wide by bending it twice as shown. a Deduce that the cross-sectional area is given by A = 100 cos (1 + sin ). b Show that dA d = 0 when sin = 1 2 or 1. c For what value of does the gutter have maximum carrying capacity? Find this maximum capacity.
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