145s Classroom → 40s Sub-90 Target27-Q Physics Mock
Archetype Sub-90 Dry-Wipe Invariant (Hydrostatic Fluid Pressure (P = ρgh), Archimedes Upthrust, Composite Density & Ideal Gas Pistons (P_1V_1 = P_2V_2)): Isothermal gas shortcut: since P*V = const and ρ = m/V, gas density ρ scales directly with absolute pressure: ρ_2 / ρ_1 = P₂ / P₁ = (P_atm + mg/A) / P_atm.
sub90 ESATARCH-P-14: Hydrostatic Fluid Pressure (P = ρgh), Archimedes Upthrust, Composite Density & Ideal Gas Pistons (P_1V_1 = P_2V_2)Physics
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SUB-90 ZONE (<40S)
0.0s40s Sub-9090s ESAT Budget150s Classroom
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Physics•ARCH-P-14•Standard 5-Option
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