You are driving south along the shore of the Mississippi River. At this point it is flowing due South. You notice a prominent radio tower right on the far shore, at a bearing of 115 degrees. You drive on for 2 miles and notice that now the radio tower appears at a bearing of 55 degrees. You figure that at this point the Mississippi river is miles wide. Hint: Draw two right triangles, set up some equations, and solve them for the width of the river.
You are driving south along the shore of the Mississippi River. At this point it is flowing due South. You notice a prominent radio tower right on the far shore, at a bearing of 115 degrees. You drive on for 2 miles and notice that now the radio tower appears at a bearing of 55 degrees. You figure that at this point the Mississippi river is miles wide. Hint: Draw two right triangles, set up some equations, and solve them for the width of the river.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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You are driving south along the shore of the Mississippi River. At this point it is flowing due South. You notice a prominent radio tower right on the
far shore, at a bearing of 115 degrees. You drive on for 2 miles and notice that now the radio tower appears at a bearing of 55 degrees. You figure
that at this point the Mississippi river is
miles wide.
Hint: Draw two right triangles, set up some equations, and solve them for the width of the river.
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