Cambridge International AS & A Level Physics · AS 1 · data analysis
Percentage uncertainty in moment
Physical quantities and units · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- demanding
- Marks
- 4
- Topics
- 2
- Answer
- Complete
Question4 marks
A calculated value has the form Q = AB/C. The percentage uncertainties in A, B and C are 1.8%, 2.2% and 1.02%, respectively. Calculate the percentage uncertainty in Q.
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
- 4 marks
- Demand
- demanding
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