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Physics 13 Online
OpenStudy (anonymous):

Physics C Question in attached picture

OpenStudy (anonymous):

voila

OpenStudy (anonymous):

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OpenStudy (anonymous):

the equation is as thus fc = mv^2/r

OpenStudy (anonymous):

is fc = m * g?

OpenStudy (anonymous):

That equation is to find the centripidal force of an object

OpenStudy (anonymous):

yes but can i use mg for fc

OpenStudy (anonymous):

so i would have mg = mv^2/r

OpenStudy (anonymous):

\[F _{c}=\frac{ mv^{2} }{ r }\]

OpenStudy (anonymous):

why would you want to do that? the question is asking for the force.

OpenStudy (anonymous):

OTL sorry

OpenStudy (anonymous):

i had 5 hours of sleep this whole week so im not that clear-minded right now

OpenStudy (anonymous):

so that will get me my answer. ok what about part two?

OpenStudy (anonymous):

ha ha ha no problem. and y?

OpenStudy (anonymous):

junior year is not a happy year

OpenStudy (anonymous):

Same equation instead use the weight of the person not the weight of the car.

OpenStudy (anonymous):

does the weight of the car now have nothing to do with it?

OpenStudy (anonymous):

im thinking about that one... actually i thnk its best to use both as the person is in the car as well

OpenStudy (anonymous):

okay, thank you very much!

OpenStudy (anonymous):

no prob but the answer I get is quite high so im trying to work out how many g's it is to see if its viable

OpenStudy (anonymous):

alright well i have to go to sleep i have a test tomorrow. gnight

OpenStudy (anonymous):

sleep well

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