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### 17 Cards in this Set

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 Density ρ=m/v kg/m3 slug/ft3 g/cm3 weight density ρ(weight)=ρ•g N/m3 N/cm3 (density must be in Kg!!!) specific gravity ρ(fluid or object)/p(water) ρ weight(fluid/object)/pw(water) NO UNITS! Buoyant Force Fb=ρ(fluid)•g•V(fluid displaced) N, lb (density must be kg/m3) mechanical pressure P=F/A N/m2=1Pa psi fluid pressure P=ρ•g•h P=p weight•h N/m2=1Pa psi absolute pressure Pabs=Patm•Pgage Pgage=ρ•g•h atmosphere pressure=101.3kPa =14.7psi density of water 1000kg/m3 1g/cm3 thermal energy symbol: Q or q unit: J, cal--> 1cal=4.186J equation: Q=mcΔT secific heat capacity symbol: c unit: J/kgºC , J/kgºK equation: Q=mcΔT change in temperature symbol: ΔT=Tf-Ti wavelength symbol:λ unit: measure V=f•λ frequency symbol: f unit: Hz f=1/T--> T=time speed of light c=3x10^8m/s blue shift coming towards you low λ high f red shift going away from you high λ low f atmospheric pressure Patm=101.3kPa =101,300Pa