MCAT Physics
Terms
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 Ohm's Law
 V=IR
 Voltage for a paralell circuit
 Vt=V1=V2
 Voltage for a series circuit
 Vt=V1+V2+Vn...
 Resistance in a parallel circuit
 1/Rt=1/R1+1/R2
 Resistance in a series circuit
 Rt=R1+R2
 Current in a series circuit
 It=I1=I2
 Potential Difference

V=W/Q
work/unit charge  Electric Field

E=F/Q
force/unit charge  Coulomb's law
 F=KQ1Q2/rsquared
 Index of refraction
 n=sintheta1/sintheta2
 Focal length of a spherical mirror
 F=R/2
 Huygen's Principle
 each pt. on a wave front may be regarded as a new source of disturbance
 Telescope magnification
 m=fo/fe
 Magnification
 m=id/od
 Lens equation
 1/id+1/od=1/f
 Snell's Law
 n1sintheta1=n2sintheta2
 Liquid Pressure
 p=hdg
 Solid Expands
 âˆ†L=Lcâˆ†T
 Work eq. for a spring
 W=1/2Kxsquared
 Hooke's Law
 F=Kx
 Momentum
 P=mv
 Power
 P=W/t=Fd/t
 Coefficient of Friction sliding
 mew=Ff/N
 Kinetic Energy
 Ke=1/2mvsquared
 Potential Energy
 Pe=mgh
 Work

W=Fd
force times distance moved  Newton's Law of Gravitation
 F=Gm1m2/rsquared
 Average Velocity
 V=(Vi+Vf)/2
 Final Velocity

Vf=Vi+at
Vf=(visquared+2as)to the 1/2  Distance
 S=vi+1/2atsquared
 Acceleration
 a=(V2V1)/(t2t1)

Newton's Law of Gravitation
(in words)  2 bj. attract eachother w/ a force that is portional to the product of their masses and INVERSELY proprtional to the square of the distance between them
 Centripetal force
 inward force that must be applied to keep a body moving in a circle
 Centripetal Acceleration
 a=vsquared/r
 Archimede's principle
 loss in weight of an obj. immersed in a fluid equal the weight of fluid displaced
 Bernoulli's Principle
 greater the velocity of a fluid the smaller the pressure
 Longitudinal wave

vibrationjs parallel to direction of propogation
sound waves  Doppler effect
 when there is relative motion btwn a sourceof a wave and an observer, the frequency of vibrations received by the observer increases if the source and observer approach one another and decreses when they seperate
 Law of reflection
 when a wave is reflected the angle o fincidence equals the angle of reflection
 Focal length
 f=R/2
 Refraction
 bending of a wave on going into a second medium
 Critical angle
 limiting angle of incidence in the optically denser medium that results in an angle of refraction of Ëš90
 Polarized light
 light whose direction of vibration has been restricted into one plan of vibration
 Virtual image
 image formed by the eye and brain which cannot be projected on a screen
 Magnetic Field
 region where a megnetic influence can be detected as a force on a magnet
 Electromegnetic Strength

1)# of trns in the coils of a solenoid
2)nature of the core
3)current through the core