IB Physics · A.1 · data analysis
Speed with uncertainty 5
Space, time and motion · Measurement · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- routine
- Marks
- 5
- Topics
- 2
- Answer
- Complete
Question5 marks
In a renewable-energy trial, a displacement is (2.5 ± 0.015) m and the elapsed time is (1.25 ± 0.02) s. Calculate the speed and its absolute uncertainty using the maximum-percentage method.
Task interpretation
What a complete response should do
Identify the useful evidence, process it with units, and make only the conclusion the data supports.
Name the standard relationship first, keep units attached, and show the substitution before the result.
- Response type
- data analysis
- Allocation
- 5 marks
- Demand
- routine
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