The uter diameter of metallic cylindrical tube is 14 cm and thickness of the tube is 1 cm. Find the weiht of 2meter long tube if the density of the metal is 7 grams per cm cube?
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Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Radius of outer cylindrical tube is D/2=7cm
radius of inner cylindrical tube R-thickness=6cm
h=2m=200cm
V=pi*(R^2-r^2)*h
V=pi*(R+r)(R-r)*h
=22/7*13cm*1cm*200cm
=8171.43cm^3approx.
d=m/v
d*v=m
7*8171.43=m
m=57200.01
=57200gapprox.
=57.2kg approx.
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