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/sci/ - Science & Math

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1969727 No.1969727 [Reply] [Original]

>mfw when photons think humans don't have mass because they move at light speed
>mfw photons should lrn2physics

>> No.1969735

>mfw OP thinks photons "think"
>mfw OP thinks photons can learn

>> No.1969737
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1969737

>In physics lecture
>Really stoned
>"Photons have momentum, but no mass"
>but...but... p=mv
>MFW

>> No.1969741

p = hf/c

>> No.1969756
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1969756

>>1969741
Oh shit.

>> No.1969801

>>1969737
p = mv is an approximation that only works at slow speeds.

<div class="math">p = \frac{\sqrt{E_K^2-\left(mc^2\right)^2}}{c}</div>
<div class="math">p = \frac{mv}{\sqrt{1-\left(\frac{v}{c}\right)^2}}</div>

>> No.1972010

Shouldn't photons "think" that we have infinite mass?

Infinite mass, zero width, zero duration.

>> No.1972028

Photons don't have a rest frame.