A 56.0kg cheerleader uses an oil-filled hydraulic lift to hold four 130kg football players at a height of 0.800m .If her piston is 17.0cm in diameter, what is the diameter of the football players' piston?

Question

anonymous · Answer

I have done thios question 10 times and got different answers.Plz write the solution in full answer and the final result

anonymous · Answer

$$p_1=p_2\\frac{m_1g}{A_1}=\frac{m_2g}{A_2} $$ maybe this will help

anonymous · Answer

Density of oil: 900kg/m3

anonymous · Answer

what value do you get for final answer

anonymous · Answer

I have only one attempt left for my assignemtna dn don wanna loose any mark ;)

anonymous · Answer

I got 45.5 from another approach.Dont know which one to pic honestly

anonymous · Answer

Iused thos method Message flagged Friday, September 21, 2012 6:07:12 AM http://answers.yahoo.com/question/index?qid=20090917165901AAoER6Z

anonymous · Answer

How sure are you and may I know your qualification ;)

anonymous · Answer

lol

anonymous · Answer

Guess you gotta be careful who you accept answers from on this site..
No one gets penalized for being very, very wrong.

anonymous · Answer

I have an idea to put "percent of confidence" next to our answer :D

anonymous · Answer

yeah, something...  

...getting ridiculous