Fluids (part 6)

[BaRa6992]

Khan ..! God bless u 

[omoolorunful]

OMG thank you so much. I've been struggling with my tutorial question for ages, Now I get it!

[siasorat]

one person failed in life lol who the eff dislikes this video it made so much sense hope i could ace my final now lol

[Userwastaken]

I wonder what the person was thinking when they clicked the thumbs down button...?

I'm only in 8th grade, but my physics teacher wants me to take 4 pages worth of notes on this fluid series. Haha, it's a bit difficult to understand using only letters.

[Billabong024]

excellent example

[VozimoSe]

I've seen a lot of your videos. You are just a wonderful teacher!

[slmUSA]

Thank you!

[johnnytriguero305]

one person failed and then watched the video after

[nolsmtm]

dont you mean cubed feet? (not square feet)

[spikeyredcactus]

i dont understand how he got the vs/vb = pb/pw here, there doesnt seem to be any logic there

[Hellsslave666]

@spikeyredcactus

devide both sides by VB and by PW and flipped sides.

I tryed to write all stepps down, but it's really hard with a keybord xD

[laloksdm]

i kept thinking of P=pressure rather than P=density

[gruelin1]

sal's notation is a little confusing here. The greek letter rho. which means mass density, looks a whole lot like a small p. My teacher makes it a point to emphasize the difference between rho and p, so we don't get confused. Small criticism here, I love Sal's vids! I've watched over a hundred!

[dst7ssa]

It could be a Horse ? hahaha good one

[sodr2]

couldve been SHAPED like a horse....i dont think a horse has a specific density

[calvinhobbesliker2]

Does this mean that the fraction of the floating object submerges is equal to its specific gravity?

[asherzephyr]

Yes, the fraction submerged is equal to its specific gravity.

[Katianie9]

is Vs/Vb sapose to be Vb/Vs? (same thing for the density).

[asherzephyr]

No, he got it right. Vs/Vb is telling you what percentage of the object is submerged while Ps/Pb is telling you the specific gravity.  If you switched it, the whole proportion would be messed up and basically it would be saying the volume submerged is greater than the block itself. Then the object wouldn't be floating....

[repathon]

damn

i wish i could use these videos on the ap test

[karandharaiya]

yo,sal,u a god send,i was going to get myself jacked in physics until i discovered about u,thnx a lot,u r really helpin me wit my work,u got nuff respect,big up!!!

[marcellohro]

the second example was beautiful!

[volintine]

thnx sal