ginadesor851 ginadesor851

26-03-2024
Physics

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A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8g, then the weight of pipe is :
A. 3.6 kg
B. 36 kg
C. 3.696 kg
D. 36.9 kg

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