Find the weight of the hollow cylinder lead pipe 28 cm long and 1/2cm think it innternary diameter is 8cm weight of 1cm cube of lead is 11.4 get
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volume of cylinder=vol. of outer diameter cylinder-vol. of inner diameter cylinder
=πR^2h-πr^2h
R=9/2
=4.5cm
r=4cm
22/7*4.5*4.5*28 - 22/7*4*4*28
1782-1408
=374
1cm cube = 11.4
374*11.4 = 4263.6
=πR^2h-πr^2h
R=9/2
=4.5cm
r=4cm
22/7*4.5*4.5*28 - 22/7*4*4*28
1782-1408
=374
1cm cube = 11.4
374*11.4 = 4263.6
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