A2L Item 289
- Description:
- Goal:
- Source:
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The question for students:
A block of mass 2 kg travels along a horizontal frictionless surface with velocity 3 m/s. The mass collides with another mass, m, and rebounds with velocity 1 m/s. Mass m is initially at rest. What is the kinetic energy of mass m after the collision?
- 10 J
- 6 J
- 2 J
- -4 J
- -8 J
- None of the above.
- Not enough information.
Commentary for teachers:
No commentary available.