Asked by Ayushi

find the weight of lead pipe 3.5 m long the ext . diameter of the pipe is 2.4 cm and thickness of the pipe is 2 mm given 1 cm of lead weighs 10g
Answered by Steve
π(2.4^2-2.2^2)cm^2*350cm * 10g/cm^3 = 10.12 kg
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