Physics · Laws of Motion and Momentum
Two objects, A and B, move along a frictionless surface with the same kinetic energy, where object A has twice the mass of object B (mA = 2mB). A third object, C, initially at rest, undergoes an elastic collision with object B and subsequently moves with the same velocity as object A. Which of the following statements is true about the momenta of the objects after the collision?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1All three objects have equal momentum after the collision.
- 2Objects A and C have equal momentum, which is greater than that of object B.
- 3The momentum of object C depends on the mass ratio between B and C, making its comparison uncertain without mass values.✓
- 4Object C has greater momentum than both objects A and B.
Correct answer
The momentum of object C depends on the mass ratio between B and C, making its comparison uncertain without mass values.
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