A pipe 4km long is made of metal 30mm thick if the external radius is 15cm find the volume of the meatal in the pipe to the nearest cm3
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Belge - wors Belge - Word The rotor in the figure has imbalances m1 - 50 m2 - 40 m3 - 30 G, m4 - 60 g, e1 - 40 cm, 2 - 35 cm, e3-44 cm, e4 - 48 cm. a) To balance this rolur, determine the size of the
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