A reworks rocket is launched vertically into the night sky
Chapter 9, Problem 85(choose chapter or problem)
A reworks rocket is launched vertically into the night sky with an initial speed of 44.2 m/s. The rocket coasts after being launched, then explodes and breaks into two pieces of equal mass 2.50 s later. (a) If each piece follows a trajectory that is initially at 45.0to the vertical, what was their speed immediately after the explosion? (b)What is the velocity of the rockets center of mass before and after the explosion? (c)What is the acceleration of the rockets center of mass before and after the explosion?
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