Physics: Kinematics, Work & Energy, Newton's Law, Fluids
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| 1 eV | show 🗑
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| show | 6.626 x 10^-34 J*s
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| Rh | show 🗑
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| c | show 🗑
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| √2 | show 🗑
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| show | 1.7
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| 1 mole; ideal gas; STP | show 🗑
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| 1 mole | show 🗑
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| SOH-CAH-TOA | show 🗑
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| show | log A +logB
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| show | logA-logB
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| show | B*logA
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| log(1/A) | show 🗑
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| logx | show 🗑
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| log(n x 10^m) | show 🗑
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| x^0 | show 🗑
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| x^1 | show 🗑
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| (x^a)(x^b) | show 🗑
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| show | x^(a-b)
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| (x^a)^b | show 🗑
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| (xy)^a | show 🗑
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| show | (x^a)/(y^a)
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| show | 1/x
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| x^(1/n) | show 🗑
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| x^(m/n) | show 🗑
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| Angle chart | show 🗑
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| show | physical quantity w/both magnitude & direction
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| show | physical quantity w/magnitude but no direction
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| show | Add: Head of 1st vector must meet tail of 2nd vector & draw arrow from tail of 1st to head of 2nd
Subtract: place head of two vectors together & draw arrow from tail to tail
For 3 or more: break into x&y components
Y& Xtot=R=√(x^2tot +y^2tot)
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| show | (tax) ▲x=Vi*t + 1/2a*t^2
(vat) Vf=Vi + a*t
(vax) (Vf)^2=(Vi)^2+2a*▲x
Vavg=1/2(V+V1)
X=v*t=((V+Vi)/2)T
*Find max height Vel. vertical=o at highest point of path
v=√(2gh)
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| show | -point where single force can be applied in any direction & cause all points to accelerate equally
-if uniformly dense it will consider with geometric center but if not it will shift to heavier side
X=(m1x1+m2x2+..)/(m1+m2+..)
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| show | F=-k▲x
yield point: deformed to point it can't gain it's original shape
fracture point: deformed to breaking point
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| show | slope=Vinstanteneous (v=▲d/t)
upward slop=+ vel
downward slope=- vel
straight line=constant vel
straight horizontal slope= m=0 v=0
curved line= m=changing v=changing
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| velocity vs time | show 🗑
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| Total displacement | show 🗑
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| show | sum of areas b/w curve & x-axis
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| show | Fnet=sum of all forces Fnet=o when equal in magnitude & opposite in direction
Gravitational: mg
Electromagnetic: require magnet/charge object
Contact: Normal (Fn) & Friction (Fk or Fs)
Univ Gravitation: GM1M2/r^2
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| show | Peak height found by v=√(2gh). to find max height of projectile launched from ground V=Visin(angle) due to vx=0 so final vel. can be found due projectile dropped from certain h
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| How to draw free body diagram | show 🗑
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| First Law of Newton | show 🗑
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| show | (F=ma)
m↑a↓if F is constant but F↑a↑ if m=constant
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| Third Law of Newton | show 🗑
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| Uniform circular motion | show 🗑
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| Universal Gravitation | show 🗑
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| show | Fn=mgcos(angle)=Fy
Fx=mgsin(angle)
Look at diagram
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| Friction static | show 🗑
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| Friction kinetic | show 🗑
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| Torque | show 🗑
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| show | Fnet=o
τnet=0
so a=o v=constant
static equi: velocities=0
dynamic equi: velocities=nonzero but constant
Fup+Fnet=Fdown
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| system | show 🗑
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| open system | show 🗑
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| show | energy (work&heat) are exchanged but not mass
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| show | energy (work &heat) & mass aren't exchanged
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| Energy unit | show 🗑
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| show | Etot=KE+U=1/2mv^2 + mgh or 1/2mv^2 -GM1M2/r
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| show | -GM1M2/r=mgh E↓r↓
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| Elastic potential energy | show 🗑
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| show | ▲Etotal=W+q=KE+U+▲Einternal
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| show | W=F*d*sin(Θ)=-PV
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| adiabatic | show 🗑
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| constant vol | show 🗑
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| Isothermal | show 🗑
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| show | process that moves from one state of equilibrium to another , entropy of system and environment together will increase or remain the same
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| show | -increase in length by most solids when heated
▲L=α*L*▲T T↑L↑
mnemonic: (αl▲t)
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| show | increase in volume of fluid when heated
▲V=ß*V*▲T
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| show | direct transfer of energy via molecular collisions (direct contact)
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| convection | show 🗑
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| show | transfer of energy by electromagnetic waves
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| show | q=mc▲T
-only used when object doesn't change phase
-NO TEMP change during phase change
Q>0 heat gained
Q<0 heat lost
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| heat of transformation | show 🗑
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| show | -absence of heat; adiabatic U=q so W=▲KE
W=F*d*cos(Θ)=-P▲V
F is (+) when same direction as displacement
F is (-) when in opposite direction
W DONE on system it's (+)
W DONE on surroundings (system doing work) it's (-)
W>0 compression
W<0 expansion
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| show | K1+U1=K2+U2 so ▲E=0
There are no non-conservative forces (kinetic frictional forces, pushing & pulling forces)
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| show | P=W/▲t=▲E(tot)/t
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| show | Pinst=F*v*cos(Θ)
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| Fluid density (kg/m^3) | show 🗑
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| density of water | show 🗑
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| specific gravity | show 🗑
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| Fluid pressure(N/m^2) | show 🗑
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| show | P=pgy
p=density g=gravitational constant y=depth of fluid from the top of object to the bottom of fluid
↓y ↓mass ↓pressure
P=F/A=m1g/A1=m2g/A2
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| show | Pg=P-Patm
measure of the pressure (negative fluid/air sucked in) to atmosphere pressure
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| Absolute pressure | show 🗑
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| P total fluids | show 🗑
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| show | pressure applied distributed undiminished throughout that fluid
Ex: air pressure on top of mountain is low due to atmosphere acting like sea of air where y↓ m↓ since closer to the top P=mgy↓
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| show | W1=W2 since F1d1=F2d2
A2>A1
F2>F1
d1>d2
-look at slide
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| Buoyancy Force | show 🗑
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| show | -Fb exerted by standing fluid on object submerged or sunk
↑P ↑F ↑y since P=pgy=F/A
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| Floating object | show 🗑
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| show | (p obj/p fluid)=(V fluid/ V obj)=1
Mfluid=Mobj
p fluid=p obj
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| Sunk object | show 🗑
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| show | Fn< Fg
p fluid/p obj *100=apparent weight loss
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| Characteristics of Ideal Fluid | show 🗑
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| Volume vs Mass Flow Rate | show 🗑
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| Characteristics of Non-ideal Fluid | show 🗑
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| Bernoulli's Eqn | show 🗑
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Created by:
aperez48
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