A fireworks show is choreographed to have two shells cross paths at a height of 138 feet and explode at an apex of 176 feet under normal weather conditions. If the shells have a launch angle 0 = 60° above the horizontal, determine the common launch speed vo for the shells, the separation distance d between the launch points A and B, and the time t from launch at which the shells explode.

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A fireworks show is choreographed to have two shells cross paths at a height of 138 feet and explode at an apex of 176 feet under
normal weather conditions. If the shells have a launch angle 0 = 60° above the horizontal, determine the common launch speed vo for
the shells, the separation distance d between the launch points A and B, and the time t from launch at which the shells explode.
38'
138'
UO
A/e
d
Transcribed Image Text:A fireworks show is choreographed to have two shells cross paths at a height of 138 feet and explode at an apex of 176 feet under normal weather conditions. If the shells have a launch angle 0 = 60° above the horizontal, determine the common launch speed vo for the shells, the separation distance d between the launch points A and B, and the time t from launch at which the shells explode. 38' 138' UO A/e d
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