fatimah9648 fatimah9648
  • 20-05-2023
  • Mathematics
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An iron pipe has a cross-section as shown in Fig. 15.19, the iron being 1 cm thick. The mass of 1 cm³ of cast iron is 7-2 g. Calculate the mass of a 2-metre length of the pipe. 12 cm Fig. 15.19 10 cm​

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