Mcat Physics

Front 1

$V_f, V_0, a, t$

Front 2

B field due to a straight wire

Back 2

$ B=\frac{\mu_0i}{2\pi r} $

Front 3

Speed of a wave

Back 3

$ V=f\lambda $

Front 4

Shear

Back 4

$ \frac{x {(lateral_{movement})}}{h (height)} $

Front 5

wavenumber

Back 5

$ k=\frac{2\pi}{\lambda} $

Front 6

Sound intensity

Back 6

$ I=\frac{Power}{A} $ $W/{m^2} $

Front 7

Doppler effect definition

Back 7

The difference between the perceived frequency & the actual frequency of a sound

Front 8

Open pipe wavelength

Back 8

$ \lambda = \frac{2L}{n} $
n = positive integer

Front 9

Audible wave range

Back 9

20 Hz-20,000 Hz

Front 10

Closed pipe wavelength

Back 10

$ \lambda = \frac{4L}{n} n=odd integer $

Front 11

Angular frequency for a pendulum

Back 11

$ \omega = 2\pi f = \sqrt{g\over L} $

Front 12

Efficiency

Back 12

$\eta={W_{out} \over W_{in}}$

Front 13

Sound level

Back 13

$ \beta = 10 log (\frac{I}{I_0})$ db

Front 14

Speed of sound at
0$^o$C

Back 14

331 $m/s $

Front 15

Doppler effect equation

Back 15

$ f'=f[\frac{v \pm v_D}{v \mp v_S}]$
$v_D$ = speed of detector
$v_S$ = speed of source

Front 16

Infrasonic wave range

Back 16

< 20 Hz

Front 17

d, V, t

Front 18

U of a spring

Back 18

$ U= \frac{1}{2}kx^2 $

Front 19

Units of frequency
($f$)

Back 19

$ Hz (1/_s) $

Front 20

h, V, g

Front 21

Centripetal acceleration

Front 22

$\Delta X, V_f, V_0, a$

Front 23

Force due to kinetic friction

Back 23

$f_k=\mu_kF_n$

Front 24

Frequency vs. period

Back 24

$ f={1\over T} $

Front 25

Pressure

Back 25

$ P = \frac{F}{A} $

Front 26

Angular frequency

Back 26

$ \omega = 2\pi f $

Front 27

Mirror positive signs

Back 27

In front
Concave
Upright

Front 28

Units of angular frequency ($\omega$)

Back 28

$ {radians}/_{second} $

Front 29

Force due to a point charge

Back 29

$ F=k{q_1q_2 \over r^2} $

Front 30

Critical velocity

Back 30

$ V_c=\frac{N_R \nu}{\rho D} $

Front 31

Pascal's principle (Pressure)

Back 31

$ P$=$\frac{F_1}{A_1}$=$\frac{F_2}{A_2}=const $

Front 32

Pascal's principle (Work)

Back 32

$ W$=$F_1d_1$=$F_2d_2$
$=const $

Front 33

Ray diagram

Back 33

1) $\rightarrow \swarrow f$
2) $\searrow f \leftarrow$

Front 34

Youngs modulus

Back 34

$ Y=\frac{F/A}{\Delta L/L} $

Front 35

$\lambda$

Back 35

wavelength

Front 36

Impulse

Back 36

$I=F_{avg}\Delta t$
$=m\Delta v$

Front 37

Kinetic energy

Back 37

$KE={1\over 2}mv^2$

Front 38

Magnification

Back 38

$ m=-\frac{i}{o} $

Front 39

Lense positive signs

Back 39

i & o on opposite sides
$f$: converging
m: i upright

Front 40

Virtual image

Back 40

When the light only appears to converge at the image

Front 41

Convex

Back 41

Outside of a sphere $\rightarrow ( $

Front 42

Snell's law (Law of refraction)

Back 42

$ n_1 sin\theta_1 = n_2 sin\theta_2 $

Front 43

Converging mirror

Back 43

Concave mirror

Front 44

Concave

Back 44

Inside of a sphere $\rightarrow )$

Front 45

Radius of curvature (r)

Back 45

Distance to the center of curvature

Front 46

$1\over6$

Back 46

0.17

Front 47

$1\over7$

Back 47

0.14

Front 48

$1\over8$

Back 48

0.125

Front 49

$1\over11$

Back 49

0.09

Front 50

Force on a charge due to an E field

Back 50

$ F=q_0E $

Front 51

Magnitude of electric dipole

Back 51

$ p=qd $

Front 52

Electric potential between 2 charges

Back 52

$ V=k\frac{q}{r} $

Front 53

Mechanical advantage

Back 53

$F_{out} \over F_{in}$

Front 54

$W_{net}$

Back 54

$W_{net}=\Delta KE$

Front 55

Force on a charge in a B field

Back 55

$ F=qvB sin\theta $

Front 56

Equation of a wave

Back 56

$ y=Y\sin(kx-\omega t)$
Y = amplitude
k = wavenumber

Front 57

Constructive interference

Back 57

-Waves are in phase -amplitudes add

Front 58

Electric potential Energy between 2 charges

Back 58

$ U=k\frac{q_1q_2}{r} $

Front 59

Lensemaker's equation

Back 59

$ \frac{1}{f}=$(n-1)$\lgroup \frac{1}{r_1}-\frac{1}{r_2}\rgroup $

Front 60

Diverging mirror

Back 60

Convex mirror

Front 61

Total internal reflection

Back 61

$ \theta > \theta_c $

Front 62

Lenses in contact

Back 62

$ \frac{1}{f_{tot}} = \sum \frac{1}{f_n} $

Front 63

Minima of interference

Back 63

$ d sin\theta = (m+\frac{1}{2}) \lambda $

Front 64

Lense power

Back 64

$ P=\frac{1}{f} $

Front 65

Refraction index

Back 65

$ n=\frac{c}{v} $

Front 66

Speed of light (equation)

Back 66

$ c=f\lambda $

Front 67

Real image

Back 67

When the light actually converges at the image

Front 68

Image distance relationships:
o = object distance
i = image distance

Back 68

$ \frac{1}{o} + \frac{1}{i} = \frac{1}{f} $

Front 69

Focal length ($f$)

Back 69

$ f=\frac{r}{2} $

Front 70

Diverging lense

Back 70

Skinny lense

Front 71

Diverging mirror image types

Back 71

$ V \uparrow r $

Front 72

Concave mirror image types

Back 72

$ C-F \Rightarrow R\downarrow m$
$ F \Rightarrow$ no image
$< C \Rightarrow R\uparrow m $

Front 73

Center of curvature (C)

Back 73

Point at the center of the mirror's "sphere"

Front 74

Work (fluids)

Back 74

$ W=P \Delta V$

Front 75

$\Delta X, V_0, a, t$

Front 76

Total Energy

Back 76

E = U + K

Front 77

E field due to a charge

Back 77

$ E=k{q\over r^2} $

Front 78

Static friction force

Back 78

$F_s \leq \mu_sF_n$

Front 79

Reference Sound intensity

Back 79

$ I_0=10^{-12} $

Front 80

E field due to a dipole

Back 80

$ E=\frac{1}{4 \pi \epsilon_0} \frac{p}{r^3} $

Front 81

Ultrasonic wave range

Back 81

> 20,000 Hz

Front 82

Electric poteltial due to a dipole

Back 82

$ V=(k \frac{qd}{r^2})(cos\theta) $

Front 83

Change in sound level

Back 83

$ \beta_f = \beta_i + 10 log (\frac{I_f}{I_i}) db $

Front 84

Torque on a dipole due to an E field

Back 84

$ \tau = pE sin\theta $

Front 85

Hooke's Law

Back 85

$ F=-kx $

Front 86

Completely Elastic / Inelastic

Back 86

$\sum m_iV_i = \sum m_fV_f$

Front 87

Destructive interference

Back 87

-Waves are out of phase -amplitudes subtract

Front 88

$\sum KE_i = \sum KE_f$

Back 88

Completely Elastic Only

Front 89

B field due to a circular loop of wire

Back 89

$ B=\frac{\mu_0i}{2 r} $

Front 90

Power
(Work)

Back 90

$P= {W\over t}$

Front 91

Force on an object normal to an inclined plane

Front 92

Force on an object in the direction of an inclined plane

Front 93

Work equation based on F

Front 94

Torque equation

Back 94

$\tau = Fr$ $sin(\theta)$

Front 95

Momentum

Back 95

$p=mv$

Front 96

Force on a wire

Back 96

$ F=iLB sin\theta $

Front 97

Power
(Energy)

Front 98

Law of reflection

Back 98

$ \theta_1=\theta_2 $

Front 99

Power
(Force)

Front 100

Pascal's principle (Volume)

Back 100

$ V$=$A_1d_1$=$A_2d_2$
=$const$

Front 101

Centripetal force

Front 102

Total work when no heat is gained or lost

Front 103

Gravitational force between 2 objects

Front 104

Gauge pressure

Back 104

$ P_G = P-P_{atm} $

Front 105

Gravitational potential energy

Front 106

Beat frequency

Back 106

$ f_{beat}=\abs{f_1-f_2} \lvert \rvert $

Front 107

$V_{avg}$

Front 108

Elastic potential energy

Front 109

Newton's second law

Front 110

Location of fringes

Back 110

$a sin\theta = n\lambda$
a=slit width
$\theta$=lense center $\rightarrow$ dark fringe

Front 111

Shear modulus

Back 111

$ S=\frac{F/A}{x/h} $

Front 112

Bernouli's equation

Back 112

$ P_1$+$\frac{\rho v_1^2}{2} $+$ \rho g y_1$=const

Front 113

Bouyant force

Back 113

$ F_{bou}=V_{disp} \rho_{fluid} g $

Front 114

Maxima of interference

Back 114

$ d sin\theta = m\lambda $

Front 115

Bulk modulus

Back 115

$ B=\frac{F/A}{\Delta V/V} $

Front 116

Viscosity units

Back 116

$ N\centerdot s/m^2 $

Front 117

Continuity equation

Back 117

$ V_1A_1=const $

Front 118

Converging lense

Back 118

Fat lense

Front 119

Density

Back 119

$ \rho=\frac{m}{V} $

Front 120

Strain

Back 120

$ L\over {\Delta L} $

Front 121

Stress

Back 121

$ F\over A $

Front 122

Critical angle

Back 122

$ sin\theta_c = \frac{n_1}{n_2} $

Front 123

Absolute pressure

Back 123

$ P=P_0 + \rho g h$ $P_0$=Pressure at surface