APFIVE Conservation of Momentum in an Explosion
Two asteroids of mass m and 3m, initially at rest, are pushed apart by a small explosion between them. Which statement accurately describes their subsequent motion?
A
Both asteroids move at the same speed
B
The center of mass accelerates away from the explosion
C
The heavier asteroid moves 3× faster than the lighter one
D
The lighter asteroid moves 3× faster than the heavier one
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