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Physics 11 Online
OpenStudy (darkbluechocobo):

what is the best estimate for the distance traveled by an object in free fall (Vi=0) with air resistance in 10 seconds customary units

OpenStudy (darkbluechocobo):

@kl0723 Do you know how to do distance with air resistence?

OpenStudy (darkbluechocobo):

i know you substitute 9.8m/s for 32f/s

OpenStudy (theeric):

Wouldn't it depend on the air resistance?

OpenStudy (darkbluechocobo):

Yes I actually found out how to do this just a second ago. Basically here you would do .5*32*10

OpenStudy (theeric):

I mean, I can get to a formula, but the estimating for an object? So, bowling ball? Feather? Tractor-trailer? Very different numbers. To do this algebraically, it's also important to know the formula for drag. \(F_\text{drag} =cv\) usually, but at high speeds it's often calculated as \(F_\text{drag}=cv^2\). I've even seen \(F_\text{drag}=cv + dv^2\), but I don't know how often that's used.

OpenStudy (theeric):

So, that assumes that the effect of air resistance is negligible for those 10 seconds.

OpenStudy (theeric):

I guess this object isn't a feather!

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