Motion in a Straight Line: Crash Course Physics #1

  • Am Vor 3 years

    CrashCourseCrashCourse

    Dauer: 10:40

    In this, THE FIRST EPISODE of Crash Course Physics, your host Dr. Shini Somara introduces us to the ideas of motion in a straight line. She talks about displacement, acceleration, time, velocity, and the definition of acceleration. Also, how does a physicist discuss speed as opposed to a police officer? And did you deserve that ticket? You can figure it all out with the help of Physics!
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Richthesizzler 94
Richthesizzler 94

Thanks youtube I finally find a video just like this♥️

Vor 11 Minuten
scotland thebrave
scotland thebrave

far too quick speaking, this person is talking as if they're on speed, great idea but executed appallingly!

Vor Tag
WasabiSniffer
WasabiSniffer

okay, i'll be honest, for a refresher, this is good. for someone who's totally new to kinematics, well play at half speed and maybe you won't have to go back. she's going way too fast and the examples are very basic but they're not that fun or engaging examples. it's like a teacher trying to be relatable but doesn't know how. or hank's episode about carbon.

Vor Tag
Allan ashil
Allan ashil

wow, I actually understood everything..

Vor 2 Tage
KingVirginiaVerg
KingVirginiaVerg

Forget the formula. Here’s a simple way. You are driving 5 m/s/s and you want to know how fast you were at 122m (the time you got pulled over). You know you hit that distance in 7 seconds, so do 5x7 which equals 35. If you do not know how to get the 5 m/s/s, you just simply do algebra. Your initial speed is 0 and in the formula you have to multiply initial speed, a.k.a. velocity, with time. 0(7)=0. Now that you have gotten that out of there, do pemdas. 1/2(acceleration) converts to its opposite to bring it to the other side where 122 is. It is now 122(2)=244. All you have left on the other side is (acceleration)7^2. Do the opposite and Ladda ladda you have 244/7^2. 7^2 is 49 so it is really 244/49. Whip out a calculator or become a try-hard and do it in your brain and you will get 4.9 which rounds to 5. That is how you find acceleration in this particular displacement formula.

Vor 4 Tage
The Premed Diaries
The Premed Diaries

I’m trying to watch these videos to prep me for my first ever physics course and she’s going way too fast and it’s giving me bad anxiety... 😪

Vor 6 Tage
SATYAM CHANDRA
SATYAM CHANDRA

Are You from America... But I am from India.

Vor 6 Tage
JangoDevStuff
JangoDevStuff

Can someone explain how she got 5 for acceleration please?

Vor 7 Tage
Elisha Whelan
Elisha Whelan

it's 2020 and time for cthulhu to come and take over

Vor 7 Tage
Juliana Manuel
Juliana Manuel

Can someone tell me how the acceleration ended up being 5? I was trying to solve it but my answer ends up being 35. She didn’t really explain how to solve it and I know there are rules to follow in physics(like having to convert things or the answer will end up different) but I don’t exactly know what those rules are. I got 35 but the answer is 5, meaning I shouldn’t multiply it by 7? Is the time irrelevant or something? This is what I did, please help. 122=0+1/2 a 7 122=7/2 a 122 x 2/7=a 244/7=a 34.85=a Round it off 35=a

Vor 8 Tage
The Premed Diaries
The Premed Diaries

Juliana Manuel OH MY GOD THATS WHAT I KEEP GETTING IM SO FRUSTRATED

Vor 6 Tage
Audri Valentin
Audri Valentin

Wait i'm confused how did we get the position and the seconds

Vor 9 Tage
Ida_IMK
Ida_IMK

too fast

Vor 13 Tage
Siddharth Sahu
Siddharth Sahu

9:53 "So you definitely deserved that ticket... But, you learnt all about position, velocity, and acceleration."

Vor 13 Tage
Phúc Đào Nguyễn Hồng
Phúc Đào Nguyễn Hồng

Why is v0=0m, shouldn’t the unit be m/s or does it not matter at all?

Vor 18 Tage
Salty :p
Salty :p

What grade are the people watching this, is it weird that I’m learning physics for fun, and I’m in 7th grade learning algebra

Vor 18 Tage
luvu2pieces10
luvu2pieces10

This is great and easy to understand. Thank you!

Vor 23 Tage
AllergicToHumans
AllergicToHumans

I study Accounting and economics why am I watching this...

Vor 26 Tage
digitel hd
digitel hd

WHY we use delta why not just those symbols

Vor 26 Tage
Captain Obvious.
Captain Obvious.

This is the one time i kinda want to have homework

Vor Monat
Shaieq Khan
Shaieq Khan

Is it not Capital Delta instead of lowercase? 06:22

Vor Monat
Quinitaz
Quinitaz

this is amazing! definitely one of the best physics introductions ive seen!

Vor Monat
Kaisar
Kaisar

So I tried doing the speed ticket question starting with def of acceleration since we got all the needed info to plug in. V = (initial Velocity) + A • T I can find Average velocity by using average velocity formula which is change in Position over change in time which will give me 17.4 Well 17.4 is not the answer. 35 is. I know if I double 17.4 it will give me 34.8 but I am not given a way to double 17.4. Question is why can’t I first use the def of acceleration??

Vor Monat
A Bookworm
A Bookworm

want to learn physics? buddy i just wanna pass since i don't learn well with my teacher's ways of teaching \(-_-)/

Vor Monat
Vijay Kumar
Vijay Kumar

I watched the entire video. I watched it again: paused, went backwards, thought, did calculations myself. Have I really understood these concepts? Test my knowledge.

Vor Monat
Gailyn Lee
Gailyn Lee

My physics semester exam is tomorrow, and this video took ten minutes to cover something that took my physics class two months

Vor Monat
Gloria K
Gloria K

i have only passed one physics test this quarter and my teacher said second semester i'll have to see her at least once per week after class because i am "not improving" :'))))))))))))))))))))))))))))

Vor Monat
Gloria K
Gloria K

why can't i understanddd

Vor Monat
Free Vpn & Proxy
Free Vpn & Proxy

THATS GREAT REALLY YES UNDERSTAND FIRST WHATS MOTION IS VERY IMPORTANT AS A START.

Vor Monat
ALL ONE
ALL ONE

Honestly having dennis rodman hosting the show really discredits it, regardless of the PBS logo. Makes Me doubt everything that the show host is saying. Actually wondering if it's actually PBS or a fake channel.

Vor Monat
ALL ONE
ALL ONE

Is that dennis rodman?

Vor Monat
Omicron Force
Omicron Force

Her accleration in wpm is 1000

Vor Monat
John Rey Rodrin
John Rey Rodrin

1:43 big foot

Vor Monat
Asasdujaman Sagor
Asasdujaman Sagor

Use playback speed at 0.75. thank me later ;)

Vor Monat
dianne rose
dianne rose

Did anyone watch that all the way through?

Vor Monat
Felix Andrew
Felix Andrew

trash learning

Vor Monat
Yours Truely
Yours Truely

Yes police officer my delta v over t was less then your observation. In the trump usa you get shot for that. You must be a terrorist .

Vor Monat
Carl L.D.
Carl L.D.

1:10 i so totally beat up speeding tickets with Doppler radars using physics equations! Oh and i love this young lady and her energy :)

Vor Monat
Sayori Utsugj
Sayori Utsugj

I get to learn in bed? Up for it.

Vor Monat
HanGonnaSec Huey
HanGonnaSec Huey

You would think that such an attractive, seemingly motivated girl would strive to ameliorate her impoverished circumstances by at least trying to get some form of missionary instructed schooling, or rudimentary education? ... sad, such a waste :•(

Vor Monat
Maisha Mumtahina Islam
Maisha Mumtahina Islam

Change your playback speed to 0.75X and thank me later

Vor Monat
LooGGiii TV 1
LooGGiii TV 1

I am more lost than I was before....

Vor Monat
Jose Alberto
Jose Alberto

How did you find out a with the displacement curve method, I don't get it 🤔

Vor Monat
wolvenar
wolvenar

I really miss this series, and it's host.

Vor 2 Monate
Noch Noch TV time for kid
Noch Noch TV time for kid

Smart idea

Vor 2 Monate
Ilic Sorrentino
Ilic Sorrentino

Unluckily I think this is the worst crash course series; sorry but this "teacher" is just running as the majority of bad teachers of Maths and Physics in school. I repeat, if so, what's the point of this course? A pity because it's one of my favorite subjects.

Vor 2 Monate
Ilic Sorrentino
Ilic Sorrentino

Breathe, please. If you run a lesson like in school... what's the point of this course?

Vor 2 Monate
Thoughts and Good Wishes
Thoughts and Good Wishes

Crash course DEBATING!!! please oh please!

Vor 2 Monate
Thoughts and Good Wishes
Thoughts and Good Wishes

I would die for her accent oh my gahsh-

Vor 2 Monate
Mooora Vlogs
Mooora Vlogs

who has there IGCSE's tomorrow

Vor 2 Monate
Muammar Ssamad
Muammar Ssamad

o.O I am confused

Vor 2 Monate
Muammar Ssamad
Muammar Ssamad

Umm.....

Vor 2 Monate
Stephanie Edwards
Stephanie Edwards

When is physics going to die????

Vor 2 Monate
Stephanie Edwards
Stephanie Edwards

Never😫😓😥

Vor 2 Monate
Tui Ngatai
Tui Ngatai

caree

Vor 2 Monate
Howie 367
Howie 367

I’m here to cram for my exam in the next 24 hours

Vor 2 Monate
BKB
BKB

Now I now :0

Vor 2 Monate
Coaching in Dyslexia & Workplace Skills
Coaching in Dyslexia & Workplace Skills

WTF is displacement anyway

Vor 2 Monate
Coaching in Dyslexia & Workplace Skills
Coaching in Dyslexia & Workplace Skills

The Displacement Curve gets about 3 seconds of explanation. Not very helpful.

Vor 2 Monate
Coaching in Dyslexia & Workplace Skills
Coaching in Dyslexia & Workplace Skills

Easier to understand at .75 normal speed.

Vor 2 Monate
Coaching in Dyslexia & Workplace Skills
Coaching in Dyslexia & Workplace Skills

This presenter goes so fast that even though I knew this stuff she makes my brain melt. Slow down. PLEASE.

Vor 2 Monate
KIKIM_THE_GAMER
KIKIM_THE_GAMER

very helpful

Vor 2 Monate

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