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Physics Index 2 (front)

# Physics Index 2 (front) - Work Energy Power...

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1mmHg=1Torr=133.3Pa Energy(units:J=kg ·m/s 2 m ) v=A ɸ total ·V ( v=volume flow) ɸ Work=F·D (units: N · m=Joule) M=ρ v( m=mass flow) ɸ ɸ ɸ Δ KE=F·D (area under the graph) Archimedes’ Principle:BF=ρ fl V fl g=ρ obj V obj g (completely submerged) KE= ½mv 2 (convert m to kg) ( V fl /V obj )=(ρ obj fl ) (fractionally submerged) Work net = ½mv 2 2- ½mv 1 2 KE=network done on a fluid: Force grav and pressure forces Work grav = mgh (units: N · m=Joule, m to kg) P=P o +ρgh(P o =original pressure) Efficiency= (Work/Energy in ) ·100 P gauge =ρgh Velocity=√2Fd/m (units: m/s) A 1 V 1 =A 2 V 2 (Area decrease, Volume increases) PE= ½kx 2 (k=N/m, x=meters) PE=mgh (mass=kg, h=meters, g=9.8N/kg)

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Physics Index 2 (front) - Work Energy Power...

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