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/sci/ - Science & Math

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>> No.5683015 [View]
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5683015

What do you think of the Crash Course Chemistry series?

http://www.youtube.com/watch?v=FSyAehMdpyI

Starts off very, VERY basic but does expand quite a bit on that throughout the series.

>> No.3734803 [View]
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[ERROR]

bumping with ani gif

>> No.3082816 [View]
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3082816

THIS IS NOT REALITY

>Reality is the state of existence of substance extended in space.

99.99% of the volume of an atom is empty space. This exists, but is not perceived.

>> No.2147452 [View]
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2147452

A 1.48 kg particle moves in the xy plane with a velocity of v=(4.17i-3.59j) m/s. Determine the magnitude of the particle's angular momentum about the origin when its position vector is r=(1.61i+2.02j) m.

I tried cross multiplying the vectors, but it didn't give me the right answer. Where did I fuck up?

Pic not related

>> No.1265065 [View]
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1265065

Oh come on man.....really? i know 99% of threads here are trolls but i mean....really?

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