Solved: Estimating the Width of the Mississippi River A
Chapter , Problem 9.1.34(choose chapter or problem)
Estimating the Width of the Mississippi River A tourist at the top of the Gateway Arch (height, 630 feet) in St. Louis, Missouri observes a boat moored on the Illinois side of the Mississippi River 2070 feet directly across from the Arch. She also observes a boat moored on the Missouri side T 630 1 11-'(f--,----- MO IL 2070 ft -------J.I directly across from the first boat (see diagram). Given that B = cot-1 , estimate the width of the Mississippi River at the St. Louis riverfront.Source: u.s. Army Corps of Engineers
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