Physics Formula Test Flashcards
(64 cards)
1
Q
final velocity
A
v = v(o) + at
2
Q
displacement
A
x = xo + v(o)t + 1/2 at^2
3
Q
final velocity squared
A
v^2 = v(o)^2 + 2a(x-x(o))
4
Q
Newton’s Second Law
A
(Sum of all forces) F = ma
5
Q
centripetal acceleration
A
a(c) = v^2 / r
6
Q
torque
A
τ = rFsinθ
7
Q
Force of Friction
A
F(f) ≤ μN
8
Q
momentum
A
p = mv
9
Q
Impulse
A
J = FΔt =Δp
10
Q
kinetic energy
A
K = (1/2)mv ^2
11
Q
gravitational potential energy ΔU(g)
A
ΔU(g) = mgh
12
Q
work
A
W = FΔrcosθ
13
Q
average power
A
P (avg) = W / Δt
14
Q
power
A
P = Fvcos θ
15
Q
spring force
A
F(s) = -kx
16
Q
density
A
p = m/V
17
Q
pressure at depth
A
P = P(o) = pgh
18
Q
period
A
T = 1/f
19
Q
force of gravity
A
F(g) = -(Gm(1)m(2))/(r^2)
20
Q
gravitational potential energy U (g)
A
U(g) = -(Gm(1)m(2))/r
21
Q
buoyant force
A
F = pVg
22
Q
flow rate
A
A(1)v(1) = A(2)v(2)
23
Q
Bernoulli’s equation
A
P = P + pgy + (1/2)p(v^2) = const.
24
Q
thermal expansion
A
Δl = al(o)ΔT
25
heat transfer
H = (kAΔT)/L
26
pressure
P = F/A
27
Ideal Gas Law
PV = nRT = Nk(b)T
28
kinetic energy of molecules
K (avg) = (3/2)k(b)T
29
root mean squared velocity
v(rms) = √(3RT/M) = √(3k(b)T/ μ)
30
work on a gas
W = -PΔV
31
internal energy
ΔU = Q + W
32
efficiency
e = |W/Q(H)|
33
carnot efficiency
e(c) = (T(h) - T(c))/T(h)
34
spring potential energy
U(s) = (1/2)kx^2
35
period of a spring
T(s) = 2π√(m/k)
36
period of a pendulum
T(p) = 2π√(l/g)
37
electric force
F = kq(1)q(2) / r^2
38
electric field
E = F/q
39
electric potential Energy
U(E) = qV = kq(1)q(2) / r
40
average electric field
E(avg) = -(V/d)
41
electric potential in a circuit
V = k[(q1/r1) + (q2/r2) + (q3/r3) + ...]
42
capacitance
C = Q/V = E(o)A / d
43
potential energy of a capacitor
U(c) = 1/2QV = 1/2CV^2
44
average current
I(avg) = ΔQ/ Δt
45
resistance
R = pl/A
46
electric potential
V = IR
47
electric power
P = IV
48
parallel capacitance
C(p) = C1 + C2 + C3 + ....
49
series capacitance
1/C(s) = 1/C1 + 1/C2 + 1/C3
50
series resistance
R(s) = R1 + R2 + R3 + ....
51
parallel resistance
1/R(p) = 1/R1 + 1/R2 + 1/R3 + ....
52
magnetic force on a charge
F(b) = qvBsinθ
53
magnetic force on a wire
F(b) = BIlsinθ
54
magnetic field around a current-carrying wire
B = μ(o) I / 2πr
55
magnetic flux
Φ(m) = BAcosθ
56
average electromotive F
E(avg) = - ΔΦ(m)/Δt
57
electromotive force
E = Blv
58
velocity of a wave
v = fλ
59
index of refraction
n = c/v
60
Snell’s Law
n1sinθ1 = n2sinθ2
61
critical angle
sinθ(c) = n2/n1
62
thin lens eqn.
1/s(i) + 1/s(o) = 1/f
63
magnification
M = h(i)/h(o) = -s(i)/s(o)
64
focal length
f = R/2
