A fireworks show is choreographed to have two shells cross paths at a height of 117 feet and explode at an apex of 162 feet under normal weather conditions. If the shells have a launch angle 8 = 68° 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. 45' 117' Part 1 Determine the common launch speed vo for the shells. 45' 117' Answer: Vo ft/sec
A fireworks show is choreographed to have two shells cross paths at a height of 117 feet and explode at an apex of 162 feet under normal weather conditions. If the shells have a launch angle 8 = 68° 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. 45' 117' Part 1 Determine the common launch speed vo for the shells. 45' 117' Answer: Vo ft/sec
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Transcribed Image Text:Afireworks show is choreographed to have two shells cross paths at a height of 117 feet and explode at an apex of 162 feet under
normal weather conditions. If the shells have a launch angle 8 = 68° 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.
45'
117'
Uo
A/0
Part 1
Determine the common launch speed vo for the shells.
45'
117'
Answer: Vo =
ft/sec
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