Solved: A fireworks rocket is launched vertically upward at 40 m/s. At the peak of its
Chapter 9, Problem 61(choose chapter or problem)
A fireworks rocket is launched vertically upward at 40 m/s. At the peak of its trajectory, it explodes into two equal-mass fragments. One reaches the ground 2.87 s after the explosion. When does the second reach the ground?
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