APFIVE Conservation of Linear Momentum Principle
A 2.0 kg object moving at 4.0 m/s collides with a stationary 6.0 kg object. After the collision, the 2.0 kg object rebounds at 1.0 m/s in the opposite direction. What physical principle best explains why the 6.0 kg object must now be moving?
A
Work-energy theorem
B
Conservation of linear momentum
C
Newton’s third law
D
Conservation of mechanical energy
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