MCAT Formulas Flashcards by Sara Parikh

Q

kinematic velocity =

A

V = Vo + at

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Q

kinematic distance =

A

d = Vot + (1/2)at^2

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Q

work

A

W = Fdcos0

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Q

kinetic E

A

KE = (1/2)mv^2

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Q

work and KE relationship

A

work = change in KE

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Q

power (watts)

A

P = W/t and Fv

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Q

PE

A

PE = mgh

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Q

Total mechanical energy

A

E = KE + PE

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Q

centripital acceleration

A

Ac = v^2 / r

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Q

centripital force

A

Fc = ma = m (v^2/r)

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Q

Work (J)

A

W = PdeltV

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Q

first law of Thermo (E)

A

deltE = Q - W

Q– heat added

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Q

heat capacity

A

Q = CdeltT

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Q

specific heat capacity

A

Q = mcdeltT

(mcat)

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Q

density

A

p = m/v

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Q

specific fluid gravity

A

density / density of water

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Q

pressure

A

P = F / A

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Q

pascal’s law (F and A relationship)

A

F/A = F/A

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Q

continuity equation (A and V relationship)

A

AV = AV

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Q

flow rate

A

Q = AV

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Q

Ohms Law V = (volt)

A

V = IR

I- current
R- resistance

Q

Power (watt) formulas

A

P = IV
I^2R
V2/R

Q

series resistors

A

R + R + R + ….

Q

parallel resistors

A

1/R + 1/R + 1/R + ….

Q

Current (I– ampere)

A

I = Q/t

Q = charge (coulumbs)
t = time

Q

electric field (point charge)

A

E = (kQ) / r^2

Q

force by electric field

A

F = qE

Q

frequency (Hz) and period (s)

A

f = 1/T

Q

velocity in waves

A

v = (lambda)f

Q

Fs (static force)

A

-kx

Q

harmonics for open pipes

A

f = (nv) / 2L

Q

harmonics for closed pipes

A

f = (nv) / 4L

Q

velocity in sound

A

root (B / density)

Q

intensity

A

I = P / A

Q

lights– E =

A

hf = (hc) / lambda

Q

speed of light

A

3E8

Q

index of refraction

A

n = c / v

Q

snell’s law

A

nsin0 = nsin0

Q

lens equation

A

(1/o) + (1/i) = (1/f)

Q

magnification

A

m = i/o

Q

lens power

A

P = 1/f

Q

molarity

A

moles / L

Q

molality

A

moles / kg

Q

dilution

A

M1V1 = M2V2

Q

formal charge

A

ve - bonds - lone pair e-

Q

gibbs free energy equations

A

G = H - TdeltS

G = - RTlnK

Q

arrhenius

A

k = Ae^ (-E/RT)

Q

Keq

A

products / reactants

Q

Henderson-Hasselbalch equation

A

pH = pKa + log [A-]/[HA]

Q

faraday

A

96000

Q

G in electrochem

A

-nFEcell

Q

A