physics
posted by sarah .
A piece of pipe has an outer radius of 4.6 cm, an inner radius of 2.8 cm, and length of 35 cm. What is the mass of this pipe? Assume its density is 8.3 g/cm3. Answer in units of k

V=V1V2= πR²hπr² h=πh(R²r²)
m=ρV=ρπh(R²r²)
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