Cambridge International AS & A Level Physics · AS 3 · structured
Perfectly inelastic collision between rail wagons
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- Demand
- demanding
- Marks
- 5
- Topics
- 2
- Answer
- Complete
Question5 marks
Two rail wagons move in the same direction. The first has mass 1.4 kg and speed 4.4 m/s; the second has mass 0.95 kg and speed 1.1 m/s. They collide and stick together. Calculate their common speed.
Task interpretation
What a complete response should do
Build a visible chain from the information given to the quantity or statement requested.
Split the problem into linked stages and state why each relationship applies.
- Response type
- structured
- Allocation
- 5 marks
- Demand
- demanding
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