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-   -   Simple question about free fall (http://zelaron.com/forum/showthread.php?t=32979)

Demosthenes 2004-09-05 12:21 PM

Simple question about free fall
 
Would the equation of where an object would be in free fall be:

-4.9X^2+C?

Where X is time and C is the height the object begins free fall?

Mydogisyourdog 2004-09-05 04:20 PM

http://www.mathpages.com/rr/s4-03/4-03.htm

this has a bunch of equations, but i dont know if they will help...

i would think that you have to factor in the weight of the object falling...

Demosthenes 2004-09-05 04:30 PM

Quote:

Originally Posted by Mydogisyourdog

i would think that you have to factor in the weight of the object falling...

Well, we are assuming that there are no forces other than gravity acting on the object. In that case, the weight of the object is irrelevant. Thanks for the link, though. I'll check it out.

Demosthenes 2004-09-05 04:38 PM

Holy unholy fuck, I can't understand any of that. A little over my head. Thanks for the link, though.

MightyJoe 2004-09-05 06:17 PM

Wouldn't it just be -9.88X ?
Where 9.8m/s is the speed of gravity and X would be the weight, if this confuses you just skip it. I am trying to think back, what are you looking for?

That site is hard to comprehend.

Demosthenes 2004-09-05 06:23 PM

Gravity is actually 9.8 m/s/s. That's acceleration, not velocity. Weight is irrelevant. Velocity increases at a linear rate, so I'm guessing that displacement would be at a quadratic rate in this scenario.

D3V 2004-09-05 11:35 PM

Try This http://www.glenbrook.k12.il.us/gbssc...Kin/U1L6c.html

Demosthenes 2004-09-05 11:59 PM

Thanks D3V. That's what I was looking for. It's the 1st equation there.


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