Year 12 Physics
Measurements, units and uncertainties
SI units and prefixes, estimation, scalars and vectors, resolving vectors, random and systematic errors, absolute and percentage uncertainties and combining uncertainties.
Measurements, units and uncertainties free practice
No timer and no account needed. Check each answer as you go, then read the explanation.
1. A steel sample has a density of 7.8 g cm−3. What is this density in kg m−3?
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