AP Physics · AP1-3 · free response
Net-work speed change 10
AP Physics 1 · Work, energy, and power · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- routine
- Marks
- 4
- Topics
- 2
- Answer
- Complete
Question4 marks
A 4 kg object initially moves at 5 m s⁻¹. The net work done on it is 42 J. Determine its final speed.
Task interpretation
What a complete response should do
Develop a connected physics argument and support each claim with a relationship, calculation, or observation.
Name the standard relationship first, keep units attached, and show the substitution before the result.
- Response type
- free response
- Allocation
- 4 marks
- Demand
- routine
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