the inner diameter of a metallic tube of density 7 gram per cubic metre is 2.5 CM the thickness of the tube is. 29 cm find the weight of the tube if it is of length 30 cm
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Radius of tube = 2.5+29
=31.5
So
Volume = πr*2h
(22÷7)×31.5×31.5×30
=93555
Weight =volume ×density
=93555×7
=654885g
=654.885kg
=31.5
So
Volume = πr*2h
(22÷7)×31.5×31.5×30
=93555
Weight =volume ×density
=93555×7
=654885g
=654.885kg
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