The thickness of a metallic pipe is 1 cm and its outer radius is 11 cm. If the density of the metal is 7.5 grams per cm, then find the weight of such a 1m long pipe.
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Answer:
49500 grams or 49.5 kg
Step-by-step explanation:
Volume = πh( R^2 - r^2) = 22/7 * 100 * (121-100)
= 6600 cm^3.
mass = 6600 * 7.5 gram = 49500 gram
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