Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PS - 160 > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

Density formula

A

ρ = m/V

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

SI Unit of Density

A

1 kg/m^3 (also equals 1 g/cm^3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Density of Air (kg/m^3)

A

1.20 kg/m^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Density of Water (kg/m^3)

A

1.00 * 10^3 kg/m^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Pressure formula

A

p = F/A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

SI Unit of Pressure

A

1 Pascal = 1 Pa = 1 N/m^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Atmospheric Pressure

A

1 atm = 101.325 kPa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Pressure at Depth Formula

A

ρ = patm + ρgh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Pascal’s Principle of Hydrostatics

A

A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Gauge Pressure Formula

A

p-patm = ρgh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Archimedes’s Principle

A

When a body is completely or partially submerged in a fluid, the fluid exerts an upward force on the body equal to the weight of the fluid displaced by the body.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Continuity Equation Formula

A

A1v1 = A2v2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Volume Flow Rate Formula

A

dV/dt = Av

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Bernoulli’s Equation

A

p + ρgy + (1/2)ρv^2 = constant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Frequency Formula

A

f = 1/T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Angular Frequency Formula

A

ω = 2πf = (2*π)/T = rad(k/m) = rad(g/L)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Restoring Force of Ideal Springs

A

Fx = -k*x

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Simple Harmonic Motion Displacement Formula

A

x(t) = Acos(ωt+ϕ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Simple Harmonic Motion Velocity Formula

A

v(t) = -ωAsin(ωt+ϕ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Simple Harmonic Motion Acceleration Formula

A

a(t) = -ω^2*Acos(ωt+ϕ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Arc Length Formula

A

x = L*θ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Force Constant Substitute Formula

A

k = (mg)/L = (2π/T)^2I

23
Q

SHM Period Formula

A

T = 2πrad(L/g)

24
Q

Physical Pendulum Period Formula

A

T = 2πrad(I/(mgd)) where d is distance to COG

25
Q

Physical Pendulum Acceleration Formula

A

a(t) = (-mgd)/I * θ

26
Q

Transverse Wave

A

A wave where the displacement of the medium is perpendicular to the travel of the wave, i.e. wave on string.

27
Q

Longitudinal Wave

A

A wave where the displacement of the medium is parallel to the travel of the wave, i.e. sound wave.

28
Q

Wave Speed Formula

A

v = λ*f = ω/k

29
Q

Wave Displacement Function for a Sinusoidal Wave

A

y(x,t) = Acos(kx±ωt) = Acos[2π(x/λ±t/T)]

Opposite Symbol in terms of the velocity, so +v dir. subtracts while -v dir. adds.

30
Q

What is A?

A

Amplitude (m)

31
Q

What is the spatial frequency (k)?

A

Wave Number (k) = (2*π)/λ

32
Q

Wave Acceleration Function for a Sinusoidal Wave

A

a = -ω^2*y

33
Q

Wave Velocity Formula for a Sinusoidal Wave

A

v = rad(Ftension/μ)

34
Q

Linear Mass Density Formula

A

μ = m/L

35
Q

Average Power for a Sinusoidal Wave Formula

A

Pav = (1/2)rad(μF)ω^2A^2

36
Q

Maximum Power for a Sinusoidal Wave Formula

A

Pmax = 2*Pav

37
Q

Fundamental Mode of a Stationary Wave

A

L = λ/2

38
Q

Overtone Formula

A

λn = (2*L)/n

39
Q

Wave Intensity Formula

A

I = P/Area

40
Q

Frequency of Overtone Formula

A

fn = nf1

41
Q

Fundamental Frequency Formula

A

f1 = (1/2L)*rad(F/μ)

42
Q

Overtone to Harmonic

A

Harmonic = Overtone - 1

43
Q

Pressure of Sound Wave Formula

A

P(x,t) = BkAsin(kx-ωt)

44
Q

Maximum Pressure of Sound Wave Formula

A

Pmax = BkA

45
Q

Velocity of Sound Wave in Fluid

A

v = rad(B/ρ)

46
Q

Velocity of Sound Wave in Solid

A

v = rad(Y/ρ) where Y = stress/strain

47
Q

Velocity of Sound Wave in Gas

A 
v = rad(γRT/M) where
R = Ideal Gas Constant = 8.314 J/molK
T = Tc + 273
M = Molar Mass
γ = 1.4 diatomic, 1.6 monotomic
48
Q

Intensity of a Sound Wave Formula

A

I=Pmax/Area = Pm^2/(2ρv) = Pm^2/(2rad(ρB))

49
Q

Intensity of a Sound Wave in Decibels Formula

A

β(dB) = 10*log(I/I0) where I) = Izero

50
Q

What is I0 (Izero)?

A

I0 (Izero) = 10^-12 W/m^2

51
Q

Open Pipe Frequency Formula

A

fn = (nv)/(2L)

52
Q

Closed Pipe Frequency Formula

A

fn = (nv)/(4L)

53
Q

Doppler’s Effect Formula

A

fo = (v±vL)/(v±vs)*fs
where
Top: + if listener is approaching source
Bottom: - if source is approaching listener

PS - 160 (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions