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GCSE Physics Revision "The Generator Effect" (Triple)

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Freesciencelessons

Freesciencelessons

Күн бұрын

GCSE workbooks www.amazon.co....
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In this video, we look at what is meant by an induced potential and the generator effect. We then explore the factors that affect the size of an induced potential difference/current. Finally, we explore how work is done in the generator effect.
This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Image credits: creativecommon...
Ernest Rutherford
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Ernest Marsden
S P Andrew Ltd (1921)
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Music credit: Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (creativecommon...)
Source: incompetech.com...
Artist: incompetech.com/

Пікірлер: 171
@deviant7100
@deviant7100 5 жыл бұрын
I think magnetism is the hardest topic... but thanks to you I feel like I understand it :)
@Kai26448
@Kai26448 Жыл бұрын
It’s extremely easy
@nikcce
@nikcce Жыл бұрын
@@Kai26448 womp womp
@Aisha-gd6dq
@Aisha-gd6dq 5 ай бұрын
Electricity is the hardest one
@yusrashahid
@yusrashahid 5 жыл бұрын
Who the hell added this to the spec
@luellaworrall5881
@luellaworrall5881 3 жыл бұрын
Satan
@amidh642
@amidh642 3 жыл бұрын
@@luellaworrall5881 seems like it
@abbeyhargreaves7121
@abbeyhargreaves7121 3 жыл бұрын
@@luellaworrall5881 definately
@neec1234
@neec1234 3 жыл бұрын
The audacity😧
@josh35639
@josh35639 2 жыл бұрын
it's not hard
@OfficialKorSide
@OfficialKorSide 5 жыл бұрын
I find this more confusing than the motor effect tbh
@sanzusbbl9844
@sanzusbbl9844 4 ай бұрын
u gave me more will to live !!! i was just abt to go hop into the thames but u saved the day per usual
@shuaibs.9279
@shuaibs.9279 6 жыл бұрын
Man I cant thank you enough, me and my friends truly appreciate your work. Im only managing to do good in science and my mocks because of your amazing videos, thankyou!
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
No problem. I'm just glad to help.
@xaar0n426
@xaar0n426 Жыл бұрын
Think of it like your running a race and at the finish line is that red strip to run through. That red strip is a magnetic field line and you're the wire. If you run through that wire then you create an induced potential difference in one direction (the way you were running) but if you run back through the wire and turn around then you create another induced potential difference in the opposite direction (so its reversed). This is the alternating current part and that's why it switches direction depending on the movement of the wire through the field lines. Another main thing is that it's only a potential difference if its not in a complete circuit, once it's a complete circuit then its an induced current. If you stop moving (running) then the induced potential difference/current is also stopped. Continuing this kinda weird metaphor, you will only get an induced current if you run THROUGH the red line rather than running along it which sounds weird but its easier to imagine. Hope this helps anyone reading, good luck with your exams.
@alishaanimations3058
@alishaanimations3058 Жыл бұрын
Thank you!
@elijahpeach5823
@elijahpeach5823 Жыл бұрын
Thanks!
@yanmaksymov5209
@yanmaksymov5209 Жыл бұрын
Interesting extended metaphor! Nice.
@teabag6255
@teabag6255 Жыл бұрын
this actually makes so much sense
@rL0CKIE
@rL0CKIE Жыл бұрын
Thanks but I still don’t get it 😂
@george8374
@george8374 5 жыл бұрын
who else is watching this literally the day before their physics exam
@sento6736
@sento6736 5 жыл бұрын
When you feeling freaky but you have a physics test tomorrow 2:08
@anoobplays5403
@anoobplays5403 5 жыл бұрын
When you have a physics exam TODAY.
@fabihashiraz146
@fabihashiraz146 5 жыл бұрын
; ʀᴜʙʏ ೄྀ࿐ not as bad as ur real gcse today 😭
@user-dw2df4ke8x
@user-dw2df4ke8x 3 жыл бұрын
i have physics online test in 3 mins, just started watching this video now
@5staryzzz
@5staryzzz 3 жыл бұрын
I don't get it
@arjunsivaraman3382
@arjunsivaraman3382 2 жыл бұрын
zamn
@sarayounis9776
@sarayounis9776 6 жыл бұрын
Why doesn't he have like million subscribers or smth?
@Stefano.Tonelli
@Stefano.Tonelli 5 жыл бұрын
Sara Younis His content only caters to a very small amount of the internet population. Out of the 1 or so million students taking GCSE subjects, I’d be willing to assume that a large proportion are watching his videos already.
@ji9068
@ji9068 5 жыл бұрын
@@Stefano.Tonelli In India CBSE too
@mtgmight353
@mtgmight353 5 жыл бұрын
Because his viewer base changes every 2 years
@variant_1909
@variant_1909 2 жыл бұрын
Most people de-sub after their GCSEs
@fay-qp7cn
@fay-qp7cn 6 жыл бұрын
Trying to learn this entire topic in 6 hours for my exam tomorrow... I was never taught it in school, like until an hour ago I didn't know what a permanent magnet was (I had never heard that word in my entire life), you're videos are helping.. Thank you!
@sky410alkerrt4
@sky410alkerrt4 5 жыл бұрын
Tryna revise the entire sylabus 3 am before my exam at 8
@MuslimMissionary
@MuslimMissionary 2 жыл бұрын
@@sky410alkerrt4 ik its abit late but how did it go
@ys92legand24
@ys92legand24 2 жыл бұрын
@@MuslimMissionary they never reply
@bobsmith-fq3qr
@bobsmith-fq3qr Жыл бұрын
@@ys92legand24 neither will you
@4nniwentmia
@4nniwentmia Жыл бұрын
@@bobsmith-fq3qr fr man. leaving me on a cliffhanger
@kazu9445
@kazu9445 5 жыл бұрын
Watching three of these (physics, chemistry and biology) a week for my revision on science. No motivation but to listen to his beautiful voice.
@petrinakalova8766
@petrinakalova8766 5 жыл бұрын
I'm literally at the hour before the exam and this is the only thing that gives me the will to live
@jenpeuxplus5691
@jenpeuxplus5691 5 жыл бұрын
watched this about 10 times and glad to say i finallyyyyy understand
@samjoshi1812
@samjoshi1812 5 жыл бұрын
Lol can you explain to me in simpler terms?
@tashfiaislam166
@tashfiaislam166 4 жыл бұрын
i dont.
@MC-ps3ul
@MC-ps3ul 3 жыл бұрын
Lol this is the 6th time today going through this videos and something is clicking
@xaar0n426
@xaar0n426 Жыл бұрын
@@samjoshi1812 A bit late but think of it like your running a race and at the finish line is that red strip to run through. That red strip is a magnetic field line and you're the wire. If you run through that wire then you create an induced potential difference in one direction (the way you were running) but if you run back through the wire and turn around then you create another induced potential difference in the opposite direction (so its reversed). This is the alternating current part and that's why it switches direction depending on the movement of the wire through the field lines. Another main thing is that it's only a potential difference if its not in a complete circuit, once it's a complete circuit then its an induced current. Hope this helps anyone reading it later
@scott.c.9603
@scott.c.9603 5 жыл бұрын
I've watched one video I'm shook at how useful it was
@UmerFarooq-dg8dk
@UmerFarooq-dg8dk 6 жыл бұрын
Thank YOU LOADS SIR.I have my mocks in 2 days and Oh Lord I'm well prepared now .Peace be upon you.
@thuwa.k918
@thuwa.k918 6 жыл бұрын
I'm actually glad I found this. Literally, I didn't know how to balance equations in chem (kinda stupid, I know.) Thanks to you, I've managed to overcome one of my biggest difficulties. I'm definitely recommending this channel to my friends.
@mo-fy5wz
@mo-fy5wz 5 жыл бұрын
I think I love you
@katiesc4476
@katiesc4476 5 жыл бұрын
get in line
@cadmiumbop
@cadmiumbop 5 жыл бұрын
if i get rich and famous i will give you some of my assets.
@xero1187
@xero1187 Жыл бұрын
I have my Physics Paper 2 tomorrow, and it feels like I have finally understood the Generator Effect. THANK YOU SO MUCH!
@shinkai5742
@shinkai5742 Жыл бұрын
bro coming in clutch for tomorrow's exams 😤😤 W mans
@luna-il2pw
@luna-il2pw 4 жыл бұрын
this whole topic is the hardest topic out of all the gcses
@meltingbadge
@meltingbadge 2 жыл бұрын
I can't thank you much man. You've been a real help for the past 2 years and id it weren't for you Idk where I would have been man, thanks to you I passed my classes. I'm really gonna miss you
@hamzahmalik909
@hamzahmalik909 Жыл бұрын
someone give this guy a medal
@ayeshad5170
@ayeshad5170 4 жыл бұрын
Magnetism is the hardest topic in the whole AQA Science spec.
@lovedworm
@lovedworm 2 жыл бұрын
just as i thought i was understanding this topic
@castwt
@castwt Жыл бұрын
real
@sarayounis9776
@sarayounis9776 6 жыл бұрын
YOU ARE A LEGEND
@ramoplayzreal
@ramoplayzreal Жыл бұрын
not gonna lie i was playing clash royale during almost all of paper 2 physics in class
@tashapickard9600
@tashapickard9600 3 жыл бұрын
lol this is the one guy that gets people to pass their gcses lol
@sky410alkerrt4
@sky410alkerrt4 5 жыл бұрын
I remeber my physics teacher tring too ecplain this her finger being the north pole his fist the coil 2:00
@thericeguy9368
@thericeguy9368 5 жыл бұрын
Hi, just wanted to ask - how do you know what direction the conventional current moves in when you push the magnet into the coil?
@Freesciencelessons
@Freesciencelessons 5 жыл бұрын
That's called Flemings Right Hand rule and you don't need to know it for the GCSE spec.
@thericeguy9368
@thericeguy9368 5 жыл бұрын
​@@Freesciencelessons thanks as always!
@mediums_
@mediums_ 2 жыл бұрын
tbh this is the most fun topic on the course. hard, sure, but so interesting
@davidta7836
@davidta7836 6 жыл бұрын
Your videos have been a great help in terms of science revision. But the exams are in 2 months and there's still no biology paper 2. Is that happening anytime soon?, Thanks.
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
I'll be starting Biology 2 this week and all will be done by May. All of the Biology paper 1 videos are already on.
@zyroxkk
@zyroxkk Жыл бұрын
Omg no way what a helpful video hahahahaha 😮😂😂😂❤❤😅😅😅😊😊😊 You taught me more in 2 seconds than my teacher in 1 years!!!!!!!!!!! L😮L
@MidnightzRoses
@MidnightzRoses 2 жыл бұрын
Whew nearly done watching all of them
@freddiemacgregor2956
@freddiemacgregor2956 5 жыл бұрын
the exam is in 1 hour and 20 m
@raisadrawss4190
@raisadrawss4190 4 жыл бұрын
how did it go
@shakdboss7048
@shakdboss7048 6 жыл бұрын
sir i got exams in a couple months and i am panicing what shall i do
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
Don't panic. Get started watching the videos. Before you know it, you'll have covered plenty of topics.
@shakdboss7048
@shakdboss7048 6 жыл бұрын
Is there any good ways of revisng if except flash cards, I keep on spending so much time cpying down notes which takes forever and then get nothing out f it
@destiny-powerhouse3260
@destiny-powerhouse3260 6 жыл бұрын
just copying the notes won't be any good. Make sure you are testing your knowledge with the flashcards frequently. After testing yourself with the flashcards for a while you will begin to simply know the answers without much struggle. This is the point you want to get to
@boi6646
@boi6646 6 жыл бұрын
+ShakDBoss find books that give you questions. Revise over a topic and try and learn all the basic bits and then try and complete the questions. Or if u have more time u can go through the book and write simple questions out for yourself and answer them the next day. The ones u get wrong u go back over
@rachelsimpson7341
@rachelsimpson7341 6 жыл бұрын
practise questions everyday, thats the best revision because it gives you exam technique
@mohameddalghous
@mohameddalghous 6 жыл бұрын
sir, I'm still grinding and taking your advice I hope the stuff i revised (main stuff) comes up Thank you so much
@NooZzleZ
@NooZzleZ 5 жыл бұрын
Thanks dad
@Nia-gh4el
@Nia-gh4el 5 жыл бұрын
Doesn't current have to flow through the wire already to create a magnetic field around it - how is an induced p.d and current created if your'e already supplying current??? I would be really grateful for an explanation - thank you!!
@bluesky1042
@bluesky1042 3 жыл бұрын
Sir what do you mean by "that" end? the left side or the right side of the coil?
@roroc9732
@roroc9732 2 ай бұрын
business must go crazy in the week before exams and mocks every year lol
@roisinmiddlemass9884
@roisinmiddlemass9884 5 жыл бұрын
why around the solenoid is the north to the left and not to the right as in a previous video you said that if your fingers curl in the same direction as the conventional current then the thumb points to north?
@ameer7026
@ameer7026 6 жыл бұрын
Thanks a lot. Really helpful
@kaeso6227
@kaeso6227 6 жыл бұрын
great videos for my exams in a few months
@georgebrand9325
@georgebrand9325 6 жыл бұрын
www.thepetitionsite.com/en-gb/855/217/799/give-shaun-donnelly-freesciencelessons-a-knighthood/
@taimoralam
@taimoralam 3 жыл бұрын
Yo guys wassup Mr Suthards Class here
@atchek6304
@atchek6304 6 жыл бұрын
woaahh this was a bit confusing so what does induced even mean? made? also the wire thats being moved up and down does it have a battery? and does it mainly get induced just because the magnetic flux density changes so it causes the potential difference to change and reverse? also thank you :) and why and how is the potential difference and current lost when the wire stops moving: is it because there is no battery to supply it so the magnetic flux density causes current and potential difference to be made? during the generator affect the p.d also gets induced right? even though the circuit is complete ? sorry about all the questions but i was never taught this topic well in school so i'm trying to teach myself.
@himarktuan
@himarktuan 6 жыл бұрын
Brian Jones i can’t find any generator 6 markers and i’m struggling to grasp this concept aswell .. where do you find them??
@sea5205
@sea5205 6 жыл бұрын
Angelonheavens sorry its a bit late but induced does mean make or create, the wire is connected to a circuit so yes it has a battery, the pd and current is lost when the field stops moving because a pd can only be created when a change in the field occurs (if u want more info on this search electromagnetic induction). Hope this helps
@williamwills492
@williamwills492 5 жыл бұрын
The 'induction' does not require a power supply. A useful example that helps me is how seismometers (geophones) work, with a magnet inside a copper coil. As the ground shakes from an Earthquake, it shakes the coil and so moves with velocity relative to the magnet. The relative distance and velocity the coil/magnet experiences will 'induce' a voltage (potential) that we can measure (again no battery or power supply is required for this induced potential), which would be then a measure of amplitude of the ground shaking. The geophone is therefore sensitive to the velocity at which the magnet moves relative to the coil (for an analogue geophone we could express this as Volts/m/s).
@yeetsphaget9860
@yeetsphaget9860 5 жыл бұрын
Brian Jones it’s so much easier to try to understand it because you can apply your knowledge and understanding into questions you didn’t understand before
@yeetsphaget9860
@yeetsphaget9860 5 жыл бұрын
Also induced means when the domains in a magnet all point towards the magnet
@gorusagul
@gorusagul 2 ай бұрын
this is the one topic that ive never quite understood and now my exam is tomorrow and its predicted to come up... lord help me
@inika6502
@inika6502 5 жыл бұрын
Can you do a what I eat in a day video ahahah
@PIXELGamerzXvlogs
@PIXELGamerzXvlogs 3 жыл бұрын
Why is it when the circuit is incomplete it induces a potential difference but when the circuit is complete it induces a current?
@joudalhussain943
@joudalhussain943 5 жыл бұрын
If we have a complete circuit and we move it up into the magnetic field do we only get a current or do we also get a p.d. ?
@PhoenixMaster123
@PhoenixMaster123 6 жыл бұрын
WAIT... so please break this down for me. To summarise with wires, when a wire already with a current and potential difference go through a magnetic field, it feels a force because of it's magnetic field conflicting with the other one. And when there is just a plain wire than moves through a magnetic field, it gains a potential difference but no current. So how would you make it gain a current or is that not possible and would a wire already with current and is feeling a force gain any extra potential difference?
@PhoenixMaster123
@PhoenixMaster123 6 жыл бұрын
actually scrap the thing about generating current, i didn't watch that part before writing this
@jasvin4805
@jasvin4805 5 жыл бұрын
do we need to know why moving it along a magnetic field won't generate a p.d./current?
@Frankie99999
@Frankie99999 Жыл бұрын
Saving my gcse
@afreen_12
@afreen_12 6 жыл бұрын
Is there a specific definition for induced potential and the generator effect
@rahulsagu1157
@rahulsagu1157 6 жыл бұрын
The generator effect is the induction of a potential difference (and current if there is a complete circuit) in a wire which is experiencing a change in magnetic field
@comradehox4006
@comradehox4006 4 жыл бұрын
but how do you determine the current in a single wire?
@bobsmith-fq3qr
@bobsmith-fq3qr Жыл бұрын
sir i understand that a potential difference is induced and that a current is induced when in a complete circut etc; but do we need to know why? do we need to go into detail
@geezer1024
@geezer1024 Жыл бұрын
microphones
@bluerascal7904
@bluerascal7904 Жыл бұрын
na we dont
@PhoenixMaster123
@PhoenixMaster123 6 жыл бұрын
So technically, if you were to use a motor to spin a magnet around a coil of wire that is in a complete circuit to generate electricity and somehow use a partial amount of that electricity back into the the motor and the rest for personal use and do this over and over again you would have infinite electricity?
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
No because the energy generated will always be less than the energy required due to resistance in the wires etc.
@_amn2168
@_amn2168 6 жыл бұрын
Are you done with the whole of chemistry paper 1 and 2 for combined science, paper 1 for Biology as well?
@sharmilathirumurugan7381
@sharmilathirumurugan7381 5 жыл бұрын
you are a godsend
@isashaikh9304
@isashaikh9304 3 жыл бұрын
Does this only work when there is a battery in the circuit or does it induce a pd even without a battery
@Freesciencelessons
@Freesciencelessons 3 жыл бұрын
None of these circuits have batteries in. The potential difference is induced by the motion of the circuit within the magnetic field.
@jamesjames168
@jamesjames168 6 жыл бұрын
Will you be doing electric motors soon?
@firstname6591
@firstname6591 6 жыл бұрын
Hi sir I’m due to take my exam in 2019 and I need to buy those revision books. Please may you predict when the revision book comes out and how many books are there gonna be. By the way thank so much for helping i learn more in 5 min than I learn in school for 45 min thank you but please tell me when those revision books going to come out I NEED THEM
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
Hi. Don't worry, they're coming out after the exams in 2018. I haven't written them yet but once I've done all the videos by June 2018, it won't take long.
@firstname6591
@firstname6591 6 жыл бұрын
Thankyou can’t wait
@AA-px3sw
@AA-px3sw 5 жыл бұрын
What does induced potential mean
@tayacarver5077
@tayacarver5077 4 жыл бұрын
I’m confused. You say when the magnet is inserted in, that end of wire becomes a North Pole which means the two poles repel so it’s harder to pull the magnet out. But once the magnet is pulled out that end of the wire becomes a South Pole, so the two poles attract. But why would it make it harder to pull the magnet out if by the time it’s inserted back in, it’s already switched to a North Pole,so it’s gone back to repelling ?
@tayacarver5077
@tayacarver5077 4 жыл бұрын
I hope that makes sense
@rania1669
@rania1669 3 жыл бұрын
AHHHH I DON'T UNDERSTAND THIS TOPIC AT ALL ummm i have my mocks tomorrow
@Floorgang_22
@Floorgang_22 4 жыл бұрын
Y is the wire connected in a circuit & having current flowing through it when v r inducing current by generator effect ????
@Freesciencelessons
@Freesciencelessons 4 жыл бұрын
The current is induced by the generator effect
@Floorgang_22
@Floorgang_22 4 жыл бұрын
@@Freesciencelessons For generator effect we r making either magnet spin or the coils so that current can be induced in it becz of the flux and _they are not connected to any power supply_ (since we r making voltage) so then how does the coil have a magnetic field around it when there's no current in it ? Becz when there's current in the wire , a magnetic field is formed arround it , so in generator effect, what field lines cutting r they talking about ?? How can the coils have field lines when there's no current in it ?? Or if it is connected in a circuit and has current flowing through the wire then y r v inducing more current ?
@Freesciencelessons
@Freesciencelessons 4 жыл бұрын
The coil of wire is cutting through the field lines of the permanent magnet. We have not attached the coil to any power pack.
@skullblaze6448
@skullblaze6448 5 жыл бұрын
This is the same for a compass right? If we switch the poles, then the compass deflects in opposite direction?
@ajharali4595
@ajharali4595 6 жыл бұрын
Is all of Physics paper 2 done? I have a mock on wednesday😣
@evekendall3117
@evekendall3117 6 жыл бұрын
When are you doing the Paper 2, Biology Revision Videos?
@ellabentley9697
@ellabentley9697 6 жыл бұрын
yeah please do them soon as these videos literally save me for my exams
@xQryptic
@xQryptic 6 жыл бұрын
What is the difference between the motor effect and the generator effect???
@shailenderkalia8344
@shailenderkalia8344 5 жыл бұрын
nothing
@misaya2742
@misaya2742 3 жыл бұрын
@@shailenderkalia8344 they’re completely opposite😩
@MC-ps3ul
@MC-ps3ul 3 жыл бұрын
that is so cool
@joenaughton4194
@joenaughton4194 3 жыл бұрын
GOAT
@jojisimon4258
@jojisimon4258 6 жыл бұрын
still dont understand the generator effect :/
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
All you need to state is what it is and how to make it bigger. Don't let it bog you down.
@imaanansar3393
@imaanansar3393 4 жыл бұрын
same - i understood everything but the generator effect is just confusing me
@Sara-mn4zn
@Sara-mn4zn 4 жыл бұрын
Am I the only one acc revising from these videos 3 months from the exam?
@theduckmansa4655
@theduckmansa4655 4 жыл бұрын
is the induced magnet lenz's law with the new force
@morgan7470
@morgan7470 5 жыл бұрын
Why is the current induced when it moves through the magnetic field?
@Freesciencelessons
@Freesciencelessons 5 жыл бұрын
The magnetic field causes electrons to move through the conductor.
@joshuacarpenter4875
@joshuacarpenter4875 6 жыл бұрын
Surely that's creating electrical energy?
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
From kinetic energy, yes. That's why work is done.
@ummejoomun8728
@ummejoomun8728 4 жыл бұрын
Is this also called electromagnetic induction?
@miathompson4631
@miathompson4631 3 жыл бұрын
yes
@educationchannel2754
@educationchannel2754 6 жыл бұрын
So not ready for tommorow🤦‍♀️
@user-ni6uo9up9e
@user-ni6uo9up9e Жыл бұрын
damnn
@sirgamerage7357
@sirgamerage7357 5 жыл бұрын
What does 2:07 remind you of
@rahulk4482
@rahulk4482 3 жыл бұрын
thats exactly what i was thinking. i was searching through the comments for this
@mohq74
@mohq74 6 жыл бұрын
Is there anything in dc motors and ac and explaining the slip ring commutator and split ring commutator differences and when they are used
@Freesciencelessons
@Freesciencelessons 6 жыл бұрын
Hi. Keep watching as I'm about to upload videos that answer your question.
@georgetitanic10
@georgetitanic10 6 жыл бұрын
Who’s here the day before paper 2 then?
@arya3104
@arya3104 3 жыл бұрын
1:41
@riyadhul-hoque6851
@riyadhul-hoque6851 5 жыл бұрын
1:40
@marcusisan05
@marcusisan05 2 жыл бұрын
trying to learn 2 years content the night before
@lucymcdonald6398
@lucymcdonald6398 5 жыл бұрын
praying this doesn't come up tomorrow tbh
@beabapoopee
@beabapoopee 3 жыл бұрын
why why why 😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭
@hargmone
@hargmone 4 жыл бұрын
ok
@a.l33n
@a.l33n 3 жыл бұрын
hi
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