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1. internal energy calculation for large water volume, specific heat capacity application, heat transfer accuracy vs ideal assumptions
2. escape velocity derivation using conservation of energy, Earth′s escape speed validation, atmospheric hydrogen escape via kinetic velocity comparison
3. redshift and cosmological distance, spectral line displacement, Hubble constant application for galaxy distance verification
4. SHM speed from energy graph, spring-mass system total energy constancy, kinetic energy relation to velocity at given displacement
5. beta decay equation balancing, Cs-137 mass estimation from activity, decay constant and half-life linkage, conversion of atomic mass to kg
6. dark matter definition, neutrino mass in GeV/c² to kg conversion, cosmic fate uncertainty due to unaccounted mass affecting expansion rate and gravitational collapse potential

Edexcel International AS/A Level Physics (WPH) Jan 2023 Physics (WPH) directory

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Classification: Unit 5

Page count: 32

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Last update: 2 months ago

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Physics WPH15/01 January 2023 | Edexcel International A Level Past Papers With Mark Scheme

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