Equations and Constants Flashcards by Madison Hudgins

Q

Average Speed

A

Δx / Δt

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Q

Average Velocity

A

Δd / Δt

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Q

Acceleration

A

Δv / Δt

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Q

Newton’s Second Law

A

F = ma

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Q

Static Friction

A

F = Us F

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Q

Kinetic Friction

A

F = Uk F

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Q

Force of Gravity Perpendicular to an Inclined Plane

A

F = mgcosθ

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Q

Force of Gravity Parallel to an Inclined Plane

A

F = mgsinθ

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Q

Torque

A

T = rFsinθ

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Q

Work

A

W = Fdcosθ

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Q

Mechanical Advantage

A

MA = Fout / Fin

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Q

Power

A

P = W/t or ΔE/t or Fv

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Q

Kinetic Energy

A

KE = 1/2 mv^2

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Q

Gravitational Potential Energy

A

U=mgh

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Q

Elastic Potential Energy

A

U= 1/2 kx^2

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Q

Hooke’s Law

A

F= -kx

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Q

Frequency of a Wave

A

f= 1/T

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Q

Speed of a Wave

A

v = fλ

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Q

Density

A

p= m/V

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Q

Buoyant Force

A

F= mg = pVg

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Q

Pascal’s Law

A

F1/A1 = F2/A2

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Q

Hydrostatic Pressure

A

P= Po + pgz

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Q

Continuity Equation

A

A1v1 = A2v2

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Q

Pressure

Study These Flashcards

A

P= F/A

Ideal Gas Law

PV= nRT

Boyle's Law

P1V1 = P2V2

Charle's Law

V1/T1 = V2/T2

Avogadro's Law

n1/V1 = n2/V2

Average Kinetic Energy of a Gas Particle

KE = 3/2KB T

van der Waals Equation of State

P = nRT/ V - nb

Heat Transfered

q= mcΔT

Change in Gibbs Free Energy

ΔG=ΔH - TΔS

Sound Level

β = 10 log (I/Io)

Sound Intensity

I = P/A

Waves in Open Pipes

``` λ = 2L/n f = v/λ = nv/2L ```

Waves in Closed Pipes

``` λ = 4L/n f= v/λ = nv/4L ```

Energy of a Photon

E= hf

Index of Refraction

n = c/v

Snell's Law

n1 sinθ1 = n2sinθ2

Critical Angle

θc = sin-1 (n2/n1)

Optics Equation

1/f = 1/o + 1/i = 2/r

Magnification

m = -1/o

Ohm's Law

V = IR

Power

P = IV or I^2R

Current

I = Q/t

Resistors in Series

Rs = R1 + R2 + R3

Resistors in Parallel

1/R1 = 1/R1 + 1/R2 + 1/R3

Capacitance

C= Q/V

Capacitors in Series

1/Cs = 1/C1 + 1/C2 + 1/C3

Capacitors in Parallel

Cp = C1 + C2 + C3

Magnetic Force

F= qvB sinθ

Gravity Constant (g)

10 m/s

Speed of Light Constant (c)

3 x 10^8 m/s

Avogadro's Number (N)

6 x 10^23

Gas Constant (R)

8. 3 K K | 8. 3 x 10^-2 L ATM/molK

Planck's Constant (P)

6.6 x 10^-34 J sec 4 x 10^-15 eVs

Faradays Constant (F)

96500 C/mol

proton charge

1.6 x 10^-19 (electron is same magnitude just negative)