an iron pipe is 21m long amd its exterior diameter is 8cm . If the thickness of pipe is is 1 cm and iron weight is 8g/cm cube, find the weight of pipe.
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the weight of the pipe is 16.8kgs
vivekmass55:
oo sorry for that
but how you got this answer plzz explain me
plzzz
i just took the whole measurement of the pipe 21m and multiply it by 8gm/cm
ooh ok but its wrong
you had to find surface area
its ok
after all thanks for question
and answwr
i thank u for correcting me
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