Solution Free Fall Problem 200
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21 годину тому
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Problem 199 - Newtonian Mechanics
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КОМЕНТАРІ
@turan772
@turan772 20 годин тому
Hello💫
@isukdik
@isukdik 20 годин тому
Hello hello hello 🤗
@darkstar7s203
@darkstar7s203 22 години тому
That was mine problem when i was solving a question of electric field at axis of a ring I came up with a question what about 2 rings or 3 or maybe more rings how about infinite rings can we solve for infinite rings?
@darkstar7s203
@darkstar7s203 22 години тому
I am getting trouble in understanding chemistry since it come i can't understand anything in chemistry i just have to memorise everything so much headache...
@avinashbabut.n4123
@avinashbabut.n4123 День тому
Sir, you are great. My teacher recommends your lecture videos for me to correctly visualize Physics. Now also, I am preparing for JEE as you told (by watching your lectures). All the thanks, I owe to you....
@Sonikeshari1
@Sonikeshari1 День тому
Namaste Sir, I am from India, I am grateful for the lessons you've taught me, in UKposts. Thank you for your guidance. You are the kind of teacher that every student dreams of having.
@AMITBHAI-sj8iv
@AMITBHAI-sj8iv День тому
If Walter Lewin sir like and comment on my comment I will gave my all life to physics and research ❤
@RD-physics
@RD-physics День тому
I can not watch this video without electricity
@sandeeppatidar1106
@sandeeppatidar1106 День тому
Loving these lectures
@oldtvnut
@oldtvnut День тому
Well, I found out that I understood the physics (the easy part) so that my numerical approximation in Excel was correct, but on the other hand my calculus is really rusty, so I did not figure out the integral! So, I feel I should not be listed as solving it, because I did not get part A.
@kripkechoi8253
@kripkechoi8253 День тому
I am curious about how to access these problems and submit them.
@mrfixit992
@mrfixit992 День тому
@juniorgc8
@juniorgc8 День тому
That’s a way to make class interesting
@binnyyyev
@binnyyyev День тому
woah.. this is so cool. I wonder if any way i’m related to you, I have the same last name. It’d be cool to know loving types of physics (and perhaps space/astronomy) runs from time to time in the family… I’ll be sure to watch your videos sometimes :).
@saamirazam758
@saamirazam758 День тому
DAMN
@padraiggluck2980
@padraiggluck2980 День тому
Nice solution. 👍
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
Thanks 👍
@kanishkachaudhary6967
@kanishkachaudhary6967 День тому
why can't my teachers be like that ?
@SanjayPandit-sc9xx
@SanjayPandit-sc9xx День тому
Thank you sir from India.
@Demixer-zh3ed
@Demixer-zh3ed День тому
guys the reason why the ball did not touch his cheek is because energy is lost due to friction caused by air resistance
@complexgranola3833
@complexgranola3833 День тому
One of my favorite parts about this problem was that it really challenged not only the maths side, but physics as well. My initial attempt tried utilizing kinematic relations, but alas, it wasn’t constant acceleration! It took me a bit to reason through the problem until I finally got the correct setup and math. Thank you for a fun problem, can’t wait for the next.
@mxneon
@mxneon День тому
Prof, I really liked your way of teaching.Please tell me should I go with your lectures for JEE Advanced.
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
ask your teachers, they know you
@meikejune4009
@meikejune4009 День тому
Walter, you made me happy today because of your singing the bollen song❤❤❤❤
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
If your Dutch is good enough then we should sing it together
@meikejune4009
@meikejune4009 День тому
@@lecturesbywalterlewin.they9259 Naar de bollen naar de bollen naar de prachtige bollen🌈
@KishanLovesAstro
@KishanLovesAstro День тому
Sir , I got wrong in this question . omg!! . I feel bad for me.😪😪😣😣😥😥😥😥😥😥😭😭😭😭. I'm so sad right now.
@KeithandBridget
@KeithandBridget День тому
Don't feel bad or sad. Try to understand where you went wrong. Then you will have learnt something and you can feel good.
@KishanLovesAstro
@KishanLovesAstro День тому
@@KeithandBridget thanks bro.
@rjkhaj
@rjkhaj День тому
thnk you sir
@shezaag1171
@shezaag1171 День тому
Subhanallah! <3
@muhammadsaqib00000
@muhammadsaqib00000 День тому
Hello sir I am under graduate student in Physics from Paky I want to study abroad in your country on student scholarship.Can you help in it.❤❤
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
read admission websites of Universities you want to attend
@gurudattaog
@gurudattaog День тому
Sir, I have a question for you. I am an aspirant of Joint Entrance Examination a.k.a JEE and physics plays a major role in securing a good score. I want to learn from you that how you approach a problem in different ways with a logical interpretation of what is happening. How do you think in all of the various approaches to a particular question. Not the specifics but a general idea could prove beneficial for me so if could reply that would be of great help. Thank you! Love from INDIA
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
the following would be very beneficial for you. Watch all my 94 MIT course lectures. Start with 8.01, then 8.02, then 8.03. Do all the homework and take all my exams. *I guarantee you that you will then do very well on the Physics portion of any freshman college or JEE exam* You will find all information you need on this channel in three playlists "Homework, Exam, SolutionsY & Lecture Notes". 8.01 & 8.02 will each take about 200 hours, 8.03 about 250 hours.
@gurudattaog
@gurudattaog День тому
​@@lecturesbywalterlewin.they9259 sir watching lectures is great but how to know the approach of a question if a stereotype approach or general approach doesn't work?
@KeithandBridget
@KeithandBridget День тому
@@gurudattaog "Do all the homework and take all my exams" . Not just about watching. There is no magic pill anyone can take to become a physicist.
@dirknerinckx7480
@dirknerinckx7480 День тому
Hallo Prof. Lewin, leuk dat u weer eens in Nederland bent. Ik woon in Belgie en ben 72 jaar. Ik volg nog altijd uw video's met fysica problemen. Ik was 1 van de 10 met de juiste oplossing van probleem 200. Ik wens U en uw vrouw nog een aangenaam verblijf in Nederland.
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
hello Dirk - Ik ben zo af en toe in Belgie. Kocht 5 jaar geleden in Antwerpen mijn Theo Glasses. Ik draag ze bijna altijd op mijn videos.
@dirknerinckx7480
@dirknerinckx7480 День тому
@@lecturesbywalterlewin.they9259 Ja dat heb ik ook gezien, U was toen ook in een chocoladewinkel.
@futurelife-ic3ss
@futurelife-ic3ss День тому
Any neet or jee one??
@truthteller2700
@truthteller2700 День тому
Ho could Archemidias knew the density of water and gold and the number g...the math about ration AND ITS PROPERTIES WERE NOT KNOWN AT HIS TIME this must be a made up story by Greeks.
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
densities were known already before Archimedes
@AqibParvez786
@AqibParvez786 День тому
I wanna became my physics like you That is begun from May i but now i can and i will Love from India ❤❤❤❤
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
after highschool it took me 12 more years before I got my PhD in Physics (my PhD thesis was about experimental Nuclear Physics).
@AqibParvez786
@AqibParvez786 День тому
You are genius sir... I'll do my PhD from IIT Delhi And whole life dedicate to physics (in nowadays i read some good physics books like rasnik Halliday, university physics, the Feynman lectures and for the love of physics ) they help me to become my dream come True
@fathimaalhasnaemajeed5019
@fathimaalhasnaemajeed5019 День тому
litrelly offed my tab on an useless entertainment coz this mans lucture is more interesting.
@youtubeyo142
@youtubeyo142 День тому
Science is trial and error, correcting someone isn't disrespect, infact it is respectful
@Rainajunaid
@Rainajunaid День тому
Tomorrow is my NEET examination and I'm feeling bit low, I request you who ever reads this comment to pray for us❤
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
praying will not help either
@Prass095
@Prass095 День тому
@@lecturesbywalterlewin.they9259damn straight to point
@amitkumarchejara6042
@amitkumarchejara6042 День тому
How I approached this problem was to use the equation of variation in gravity due to height and ended up with a similar equation but not exactly the same. Can this problem be solved by this approach.
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
if you did not find that the answer to question b) was 87 hr - then your approach was wrong
@amitkumarchejara6042
@amitkumarchejara6042 День тому
Yes I know I was wrong but can this problem be solved in that way?
@Maleeha-qy3wh
@Maleeha-qy3wh День тому
Hello sir I hope you are doing well Just wanted an advice I love physics and maths but idk chemistry is something which looks like a messy room What should i do I have just started 10th and have covered little bit of 11 and 12th topics of physics and maths which i found interesting Like vectors, models of atom and loved all the phenomena's associated with light diffraction, polarisation etc .. i have even attended your mit lectures
@immortalshe3333
@immortalshe3333 День тому
Hello sir lewin! I'm an Indian student of yours and been taking your physics lectures for a few months now. Tomorrow's our NEET examination and i would really be thankful if you wish me and all the fellow aspirants who are going to appear in the exam tomorrow a good luck. Your blessings value us🩷
@studytosuccess6501
@studytosuccess6501 День тому
Is it possible for us to imagine how light comes from the sun how does it actually look like bcz as it is a sphere , light is being emitted at each point and how can it have different wavelengths and different colours.. why only 7 colours I am not able to explain my question but if you got any idea what is my doubt plz answer i have been figuring it out since 6 months but .....
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
*NOT ONLY 7 colors* google "blackbody radiation form the sun" The Sun, with an effective temperature of approximately 5800 K, is an approximate black body with an emission spectrum peaked in the central, yellow-green part of the visible spectrum, but with significant power in the ultraviolet as well.
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
*Not only 7 colors* google "blackbody radiation from the sun*
@studytosuccess6501
@studytosuccess6501 День тому
Thank you Understood little bit
@freemind108
@freemind108 День тому
I don't know what to say, i just saw a movie Shaitan where he does black magic to a girl to accept whatever that man commands her, now with your smoke color magic and sunset magic i have to watch all other videos. well i cannot avoid becuase your lecture was like that. Thanks for the great lecturing from heart by the seeker of knowledge.
@k9t971
@k9t971 День тому
Today My lit teacher asked me to write a book as an event. I am thinking of writing about human life and proposing my opinions on various topic like suffering,failure detachment. What do you think about writing a book keeping in mind that I am just 16? Wish you good health sir Lewin.
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
ask your teachers, they know you
@priyeshsingh3647
@priyeshsingh3647 День тому
Only 21 days left for jee adv❤
@positive1061
@positive1061 День тому
So what
@AqibParvez786
@AqibParvez786 День тому
Advanced army is here
@gurudattaog
@gurudattaog День тому
Hello brother! I hope you are going fine. I am an JEE aspirant and currently in 11th (gave my 10th board examination). As my senior, do you have any tips on how to study, approach questions and how to analyse tests. It would be great if you could guide be on what material, which coaching, what books etc. you used during your preparation. Which books to follow for practice, for theory and which books did you follow? Is ncert enough? How did you study mathematics as it is considerably weaker side. Please it would of major major help if you could guide me and I would be much grateful. Thank you and good night! Also all the best for your advance exam. I hope that you get into your dream IIT and dream branch.
@Abhijeet-1208
@Abhijeet-1208 День тому
Sir your lectures have made me love physics❤
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
Glad to hear that
@georgejetson4378
@georgejetson4378 День тому
I love physics too, if I could understand it!😃
@studytosuccess6501
@studytosuccess6501 День тому
Today at sunrise time i saw few rainbow colours in the sky but with no rain drops , clear sky and with few clouds infront of the sun But colours are a result of scattering of light through rain drops
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
>>>>>>But colours are a result of scattering of light through rain drops>>>> *incorrect*
@studytosuccess6501
@studytosuccess6501 День тому
Sorry .. dispersion But still we need water molecules?
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
@@studytosuccess6501 *wrong again* *just water molecules is not enough - *we need water drops*
@studytosuccess6501
@studytosuccess6501 День тому
Ok sorry again ...but then what is the reason of what I saw ..
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
@@studytosuccess6501 you did not see a rainbow. Where in the sky did you see the colors? how far away (angle in degrees) from the sun?
@studytosuccess6501
@studytosuccess6501 День тому
❤hello sir Sir in that solar eclipse video ..when the video ended there was a flash of light something like that, what was that
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
refelection of nearby light
@ayaalkenany9423
@ayaalkenany9423 День тому
I first watched on this video in 2013and here I'm watching again in 2024🎉 after graduation
@payal577
@payal577 День тому
Thank u so much sir for this explanation ❤
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
Always welcome
@rishigenix
@rishigenix День тому
I really love your videos! I recently had a massive science exam which included physics. Hopefully I get good grades!
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
I hope so too!
@messusubthi2883
@messusubthi2883 День тому
Comparing neet 😂😂😂😂
@Gilmaan-malik
@Gilmaan-malik День тому
Sir I m from indian.. ........You are the G. O. A. T of physics in all over the world ❤❤❤..... Sir I have a question..... Could you meet me???😢.... I m big fan of you....
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
I meet with my viewers for about 30 min in Cambridge MA, USA. Let me know when you will be there.
@Gilmaan-malik
@Gilmaan-malik День тому
@@lecturesbywalterlewin.they9259 Sir, I cannot come due to some reason. Sir, will you never come to India? Sir, I have a request, Sir, please come and meet the founder of Physics Wallah (Alakh Pandey Sir)... Sir, many students will come to meet you and will get some study related information...
@ankitbhattacharjee2005
@ankitbhattacharjee2005 День тому
​@@lecturesbywalterlewin.they9259 I don't think he has the financial strength to go to US at this age. 😅
@lecturesbywalterlewin.they9259
@lecturesbywalterlewin.they9259 День тому
@@Gilmaan-malik I have been 4 times in India. My last time was 6 weeks in 2014 when I gave 8 lectures in India. Given my age and the air polution in India, my medical staff does not want me to go again to India.
@keshavkumar72009
@keshavkumar72009 День тому
Even I want to meet you professor I am also from India Isn't there any online way or any other easier way to meet you I am very big fan of you since I saw your video and fell on love with physics and want to become a physics professor like you.
@SSH.GOLDEN
@SSH.GOLDEN День тому
Wow sir really I got scary... 😮 that's amazing... 👀💯