Equations Not on Data Sheet Flashcards by Jessica D

Q

Nuclear physics: number of atoms in sample =

A

moles x avogadros number

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Q

Nuclear physics: closest approach KE =

A

Qq / 4π E0 r

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Q

Nuclear physics: at first minimum

A

sin0 = 1.22λ / 2R

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Q

Circular motion: angular speed =

A

angle in rads / time

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Q

Electricity: stopping potential =

A

1/2mv^2 = e x stopping potential

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Q

Electricity: time to half =

A

0.69RC

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Q

Magnetic fields: frequency =

A

BQ / 2πm

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Q

Magnetic fields: radius =

A

mv / BQ

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Q

Astro: age of universe =

A

1 / H

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Q

Astro: distance to star in pc =

A

1 / parallax angle in arcseconds

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Q

Gravitational fields: escape velocity =

A

root (2GM / r)

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Q

emf =

A

Blv

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