oboe_learning
Region: US
Wednesday 23 September 2026 17:01:56 GMT
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GNick🇨🇦 :
how come ball never came back down exact though? he said close
2026-10-06 19:21:09
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Jaybee :
i like him
2026-10-05 17:14:39
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rd4j :
it's not that simple in the real world there a many variables that effect results we don't live in a vacuum and space is not a true vacuum
2026-10-06 10:56:48
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Luke in Australia :
Newton’s Equations of Motion 👏👏👏👏
2026-10-06 00:45:35
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$#@&/)( :
x,y are distance variables, where is time?
2026-10-05 14:07:27
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vinnyoh4 :
The guy just said that I don’t know why you feel you had to re explain
2026-10-06 08:59:17
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wesleychap :
never mind the parabolic, watch him draw a dashed line.
2026-09-24 14:43:32
113
Valdr :
Walter Lewin. His lectures are on YouTube!! The early ones are SUPER approachable
2026-09-24 13:55:04
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Kimchi :
Read his book: Walter Lewin: For the love of Physics
2026-10-01 20:00:55
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Voodoo5.2L :
I’ll bet the exams are less fun than the lectures.
2026-09-24 02:13:21
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johnwicksdog_1 :
Cool. Do I need prerequisites to watch this channel?
2026-09-24 03:47:34
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DDEGEO :
His dotted lines are impressive too
2026-10-01 17:46:23
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Til Ly465 :
Gravity doesn't pull. If you actually still believe in gravity.
2026-10-03 15:48:47
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Jojokez 🇨🇵 :
the drawing is way more impressive 😅
2026-10-01 19:22:56
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Hollywood GP :
Yeah I was sold with the drawn parabola.
2026-09-24 06:16:16
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XGCBonedaddy :
Watch him draw a dotted line!
2026-09-24 23:36:11
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Dan :
This needs to be shown to all the flat earthers that don’t understand the concept of inertia.
2026-09-30 06:04:25
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Kayla :
I vote for the perfect curve being amazing. At my grown age I am still incapable of drawing a circle
2026-09-24 17:08:50
5
Scotch.UA :
Wait till you see him draw a dotted line on the chalkboard… For an asymptote … he has a lot of lectures online..Llewelyn … Just don’t go look up the reason he had to leave
2026-09-23 21:56:50
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MarkieGeist :
Dr. Lewin is a freaking genius and an effective teacher…A rare combination…
2026-09-24 15:44:41
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And :
nah the parabola is too straight at the ends - looks more like a half sine wave. nice attempt though
2026-10-02 11:03:55
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Siam :
Why didn’t Bernoullis principal cause the ball to be pushed down into the funnel?
2026-10-04 19:54:43
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DaveBosquezAuthor❌ :
So the Brewers roof interfered in the Padres “home run - ish parabola” 😂😂😂👍😁🦦
2026-10-04 16:11:51
1
cansail63 :
In earths atmosphere, you must take wind resistant into account as well. It’s not steady forward. It will be slowing down which affects the arc of trajectory. The more wind resistance the steeper the arc.
2026-10-04 17:16:45
2
🫠 :
It is a parabola only in a vacuum or when ignoring friction or wind resistance. I think it helps that in his demo the cart and the ball both have similar enough horizontal deceleration that the funnel catches the ball just fine. Typical of physicists tho, "assume an infinite frictionless plane... 😅" or of engineers "assume the horse is a sphere..."
2026-09-23 17:20:14
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