Physics 12.2.1b - Coulomb`s Law - Simple Examples

[rosegoldphil]

i was literally about to cry before i watched this video so thank you for saving my life

[mohamedamjadakram]

People like you are the reason for many bright students! Thank you very much for all your efforts in producing these videos.

[TheAnimatedBrothers]

Better than my high school physics teacher, and I do believe I much prefer videos. I pay more attention and learn more. THANK YOU SO MUCH! Making my B happen for this quarter.

[tnagan]

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[unicornguard]

Thank you so much. My current physics teacher is kind of terrible, but I actually understand it when you teach it. Thanks!

[bravo]

When the force is negative, it means both of the charge ( Q1 and Q2) attract each other..  just like, +Q1 and -Q2 = -F (attract) while positive force +F means the charge repel each other, +F = +Q1 and +Q2 or +F=-Q1 and -Q2 .... 

sorry for my english yawwww.. :D

[moneefiction]

i wish you were my physics teacher...all my teacher does is print out someone else's notes from the internet and gives them to us barely explaining whats going on. Thank God for people like you sir. Bless you :)

[derekowens]

@Henrickunit A Coulomb is a certain amount of charge. Just as a meter is a certain amount of length, and a second is a certain amount of time, a Coulomb is a certain amount of charge. Charge is measured in Coulombs.

[MyriadCharm]

OMG thank you! Idk what my teacher was on when she "explained" this in class but after these few minutes, I feel like I'm on that carpet ride in Aladdin.

[bshocks]

Thanks Derek for your step by step explanations that are very detailed and slow. This is awesome and I'm totally grateful for it!

[westshot]

This video came out when i was 4. Here i am 10 years later, cramming for finals. Its almost poetic. Except not really, it just sucks. Thx anyways man, it was a good review.

[rosaliafernandezzz]

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[imjustczarina]

Exactly what I've been looking
Thanks for the explanation...

[jom]

@derekowens Thank You for answering my question. I have to say that all of your videos are really helpful too.

[derekowens]

@x0xbethaNyyx0x That's the electrostatic constant. It's one of the constants of nature. It simply shows up in Coulomb's Law. The size of the number tells us something about the strength of the electrostatic force.

[derekowens]

@19jom19 That's right, If there are are three charges, then the force on charge A will be the sum of the force exerted by charge B and the force exerted by charge C. These forces have to be combined as vectors. This is actually a fairly standard electrostatics problem, although it's really more of a vector math problem. Good problem, though.

[chesternolan]

1st quarter examinations coming up tomorrow thanks Derek! You helped me a lot!

[chingctv]

in the scientific calculator, in the 2nd example, whay mode in the scientific calculator that I can multiple 9x10(9)x2.5x10(-6)x4.3x10(-6) /.04??

[crystalidx]

Please continue your tutorials, they help alot.

[saucyfanxyt]

thank you so much, your work, and explaining are sooo good!!