Question

5) A tube has an inner radius of 1.25 cm and outer radius of 5.75 cm. The length is 15 cm. If the density of the metal used to make the tube is 5 g/cm°, what is the weight of the tube in kg? rth is dug out in the form of a cylinder from a plot of land. The radius is 3.5 m and the depth​

Answer 1

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