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AP Physics · AP1-4 · data analysis

Perfectly inelastic collision 9

AP Physics 1 · Linear momentum · Original GioPhysics question with a detailed, mark-by-mark answer guide.

Demand
demanding
Marks
5
Topics
2
Answer
Complete
Question5 marks

A 2.8 kg cart moving at 8.5 m s⁻¹ sticks to a stationary 2.4 kg cart. Find their common speed and the fraction of initial kinetic energy transformed to other forms.

Task interpretation

What a complete response should do

Identify the useful evidence, process it with units, and make only the conclusion the data supports.

Split the problem into linked stages and state why each relationship applies.

Response type
data analysis
Allocation
5 marks
Demand
demanding
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Use your answer and the marking steps—not confidence alone—to choose.