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Originally posted by ss3079 Will do. He's better...getting better fairly quickly...long term seems to be promising.

 

- Steve

Glad to hear that. Take it life has been treating yta betta?? found out I could fail tha year If I am late too much more. //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif :rolleyes: //content.invisioncic.com/y282845/emoticons/furious.gif.fc81ca146dbff91fede3ed290dbc4f4c.gif

J

 
Originally posted by denim I just did a huge lesson om linear momentum, a few of the classes understand how momentum stays constant until there is an implus, and that momentum is a Vector force not a scalar, but many had a hard time understanding the example of the elastic collision of the two pool balls hitting off center, the direction changes but the momentum vector stays the same, its the same phenominom as when you are driving through a trun at a high rate of speed and you step on the brakes, your body still want to go to the out side eventhough the car is facing and moving in the direction of which you turned //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif
well...i think its pretty obvious that momentum is a vector...considering its a magnitude going in a certain direction....we didnt do much about the elastic collision yet...i think we're going to start getting into sound!! (that is if he doesnt quit after midterms). and yea...i love newtons 1st law //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif

anywhoo...just curious...but what do you consider the force of gravity to be...? i know the real answer, but im just wondering because the author of my physics book is a moron and thinks its something else...

 
Originally posted by shrinkydinx well yeah its close enough...but i imagine it would get quite unaccurate from high altitdudes...

 

meh, not that i care anymore

 

(tho i may care if i study aerodynamics at gtech)
thats kind of like saying the average body temp is 100ºF...

 
Originally posted by shrinkydinx well yeah its close enough...but i imagine it would get quite unaccurate from high altitdudes...

 

meh, not that i care anymore

 

(tho i may care if i study aerodynamics at gtech)
when you start to get into that every object has a certain terminal velocity due to drag placed upon an object, the human body is around 120mph in free fall ( skydiving) 

note I have to get some of these kids to understand rotational motion and momentum today, they have a mid term next week

 
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