48 172' A/e Answer: Vo= ft/sec A17 311
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:48
172'
A/e
P
Answer: Vo =
ft/sec
A17
Transcribed Image Text:A fireworks show is choreographed to
have two shells cross paths at a height of
172 feet and explode at an apex of 220
feet under normal weather conditions. If
the shells have a launch angle 0 = 63°
above the horizontal, determine the
common launch speed vo for the shells, the
separation distanced between the launch
points A and B, and the time t from launch
at which the shells explode.
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