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To: Constant Reader who wrote (172911)7/8/2006 1:43:05 PM
From: Lane3  Read Replies (1) | Respond to of 793927
 
I'm not a physics whiz. I had one course in high school, and you know how long ago that was. However, I don't think weight has anything to do with it. You need to know mass.



To: Constant Reader who wrote (172911)7/8/2006 1:53:38 PM
From: garrettjax  Read Replies (1) | Respond to of 793927
 
A little over five and a half seconds and neither weight nor mass have anything to do with it... If you want details I think wikipedia might have something.

-g



To: Constant Reader who wrote (172911)7/8/2006 1:58:27 PM
From: D. Long  Read Replies (1) | Respond to of 793927
 
I'm wondering how long would it take for a 200 lb. object to fall 500'?

The same amount of time as a one pound object. Any more questions? :P~~~

Derek



To: Constant Reader who wrote (172911)7/8/2006 2:37:29 PM
From: Lazarus_Long  Read Replies (1) | Respond to of 793927
 
Ignore the wise***es. :-)

Also ignore air resistance. Doing that allows the mass, weight, and shape of the object to be ignored. Then the formula to be used is

s = .5*g*t^2

where s is the height, g is earth's gravitational constant (32 ft/sec^2 or 980 cm/sec^2), and t is the time in seconds. Sonce you expressed the height in feet, we'll use the English measurement system.

500 = .5*32*t^2

t^2 = 500/16 = 31.25

t = 5.59 seconds


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