a balloons sphere radius of 5.0m the force of air against the walls of the

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balloon is 45n what is the air pressure inside balloon( surface area =12.56xradius^2 1pa=1n/m^2)

1.4x10^3pa

3.6x10^-2pa

3.6x10^2pa

1.4x10^-1pa

Sep 12th, 2015

Thank you for the opportunity to help you with your question!

Pressure = Force/Area

 Area = 12.56x5x5 m^2=314 m^2

Pressure=45n/314m^2=

Pressure=0.143n/m^2

Rounding off to one decimal place

Pressure=1.4x10^-1n/m^2=1.4x10^-1pa

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 12th, 2015

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