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31 Cards in this Set

  • Front
  • Back
Newton's First Law
Object in motion will stay in motion
Newton's Second Law
F = ma
Newton's Third Law
For every action there is an opposite and equal reaction
PEelastic = ?
PEelastic = 1/2 k x^2

PEelastic = 1/2 *Spring constant * distance streached or compressed ^2
Angular DIsplacement = ?
dTheta = ds/r
dTheta = change in arc length / distance from axis of circle
Angular Velocity = ?
w = dTheta/dTime
Angular Acceleration = ?
a = dw/dTime
Tangential speed = ?
v = rw
Tangential acceleration = ?
a(t) = ra
Centripetal Acceleration
a(c) = v^2/r
a(c) = rw^2
Force of rotational motion = ?
F = mv^2/r
F = mrw^2
Boyancy
F = mg
Boyant force = mass of fluid or object* acceleration due to gravity
Pressure as a function of Depth
P = Po + pgh
P = Pressure (pascals)
Po = atmospheric pressure (pascals)
p = density of fluid (kg/m^3)
g = acceleration due to gravity
h = depth in meters
Work done on or by gas
W = P dV
W = Work
P = Pressure (pascals)
dV = channge in volume (m^3)
Period of pendulum = ?
T = 2PI(L/g)^(1/2)
T = period in seconds
L = length of pendulum (meters)
g = acceleration due to gravity
Wave speed = ?
V = f lamda
Sound Intensity
Intensity = P / 4PI r2
P = power in watts
r = distance from observer
Intensity = watts/m^2
Harmonics
f = ?
Lowest frequency of vibration on a standing wave
f = n (v / 2L)
f= frequency
n = harmonic number (1, 2, 3,...)
v = velocity of wave
L = length of vibrating string
Harmonics Open ended pipe
f = ?
f = n (v/2L)
f = frequency
n = harmonic number (1,2,3,..)
v = speed of sound
l = length of vibrating air column
Harmonics closed ended pipe
f = ?
f = n (v/4L)
n = (1,3,5,...)
Magnification of Image
M = ?
M = h1/h2 = q/p
Difraction
D(sin theta) = m lamda
Electric Potential Energy
PEelectric = ?
PEelectric = (Kc)(Q)(q)/(r)
Potential Difference
dV = ?
dV = dPEelectric / q
Capacitance
C = ?
C = Q/ dV
Potential Energy of a capacitor
PEelectric = ?
PEelectic = 1/2 (Q dV)
Current
I =
I = dQ / dT
Electric Power
P = ?
P = I dV
Potential Energy of a capacitor
PEelectric = ?
PEelectic = 1/2 (Q dV)
Current
I =
I = dQ / dT
Electric Power
P = ?
P = I dV