The discussion centers on the derivation of the pressure formula P=Po+(mg)/(π*r^2). The user initially derived P'(r)=(2mg/π(r^3))*Δr but was informed by their teacher that they neglected to include the terms ΔPo and Δm in their calculations. This oversight highlights the importance of considering all variables in laboratory work, particularly when performing error analysis.
PREREQUISITESStudents in physics or engineering courses, laboratory technicians, and anyone involved in experimental design and error analysis.
kristiine_c said:Homework Statement
I' have formula P=Po+(mg)/(π*r^2)
I need to derive it.
I have derived it P'(r)=(2mg/π(r^3))*Δr
but it's incorrect. The teacher wrote me "You have forgotten about ΔPo and Δm!"
I don't know how I could derive it. It's for mistake calculation in laborotory work!