okay gang...here's the demo video you saw earlier on thursday. as a reminder, here's what you MUST enter when selecting 'for credit' mode. speaking of 'for credit' mode...you can PRACTICE on a level before attempting it for credit. i suggest you do that in order to get comfortable.
CLICK HERE TO GET TO THE PHYSICS CLASSROOM MOP SITE.
Teacher Code: NGHSN
ID#: (the first six digits of your student ID#)
DON'T FORGET TO WRITE YOUR SUCCESS CODES ON YOUR INFO SHEET, JUST IN CASE!
good luck. email me if you need an extra copy of the paper directions and chart i gave you in class.
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Thursday, February 2, 2012
Wednesday, February 1, 2012
gravitational force worksheet
not much to say about this one, other than you can use all the values for mass from the last worksheet. you WILL need to research the distance from the sun to each planet, though...along with the distance from the earth to the moon. again, if you find a particularly good website, feel free to post it here.
Tuesday, January 31, 2012
gravitational field worksheet
if you've got questions on tonight's homework, post them here. as long as we're at it, if you found a really great website with all the info you'll need (there are MANY), you should post the link here. i don't mind.
Monday, January 30, 2012
intro to gravitation assignment
read giancoli chapter 5-6, and do questions #11-16 (not problems #11-16) at the back of the chapter. if you've got questions, let me know. i'm making a video to help with scientific notation, too.
Tuesday, January 24, 2012
FRQ info post...
won't be able to get a video up, but allow me to guide your studying for the FRQ portion tomorrow.
1. like i said in class - first FRQ will be an inclined plane problem, but needs to be solved using work-energy. think about the energy transformation as an object travels down the plane. whatever energy an object start with must be what it ends with, even if that initial gravitational potential energy changes form. and...if thermal energy is created, the work done by friction created it. in essence...
Wfric = change in Etherm Ffric x d = Etherm (solve for Ffric?)
2. the second FRQ involves a conservation of momentum question, and types of collisions will come into play. what makes elastic collisions what they are? how can you tell what type of a collision you have, if all you have is mass and initial and final velocities?
3. the final FRQ is about circular motion. specifically, period, frequency, tangential velocity, centripetal acceleration, centripetal force, and what force might act as centripetal force. i'd have your centripetal force worksheet handy, as well as your circular motion packet. also, better have your vectors taken care of for tangential velocity and centripetal acceleration.
by the way, MC tests are graded. no, i don't have your grade by me. you can ask about them tomorrow morning, although i think it'd be easier on your sanity if you waited until AFTER the FRQ test. equation tests aren't done yet, either...and they won't be until during 5th period. expect to see some slight changes to your grade as i enter in your collision definitions, winter break assignment, and rotating surface bellringer sometime tomorrow or thursday.
happy studying/compiling!
1. like i said in class - first FRQ will be an inclined plane problem, but needs to be solved using work-energy. think about the energy transformation as an object travels down the plane. whatever energy an object start with must be what it ends with, even if that initial gravitational potential energy changes form. and...if thermal energy is created, the work done by friction created it. in essence...
Wfric = change in Etherm Ffric x d = Etherm (solve for Ffric?)
2. the second FRQ involves a conservation of momentum question, and types of collisions will come into play. what makes elastic collisions what they are? how can you tell what type of a collision you have, if all you have is mass and initial and final velocities?
3. the final FRQ is about circular motion. specifically, period, frequency, tangential velocity, centripetal acceleration, centripetal force, and what force might act as centripetal force. i'd have your centripetal force worksheet handy, as well as your circular motion packet. also, better have your vectors taken care of for tangential velocity and centripetal acceleration.
by the way, MC tests are graded. no, i don't have your grade by me. you can ask about them tomorrow morning, although i think it'd be easier on your sanity if you waited until AFTER the FRQ test. equation tests aren't done yet, either...and they won't be until during 5th period. expect to see some slight changes to your grade as i enter in your collision definitions, winter break assignment, and rotating surface bellringer sometime tomorrow or thursday.
happy studying/compiling!
Friday, January 20, 2012
centripetal force assignment
in giancoli, do P# 4,8,9,10,16b (and only 16b),18 on page 130-131. who knows, maybe if i get my laptop resuscitated over the weekend, i'll get another video up.
don't forget...NO SATURDAY SESSION TOMORROW. spread the word.
don't forget...NO SATURDAY SESSION TOMORROW. spread the word.
Tuesday, January 17, 2012
circular motion assignment
your assignment is the three-page packet of problems i passed out in class today. if you were absent (and have a printer), drop me an email and i'll reply with a copy. i was thinking of making a video later on, but not until at least 8:30. i got home from work around 7...a guy's got to rest a bit, right? :)
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