A solid iron pipe cylindrical in shape has a ht 220cm with diameter 24cm. Find its mass if 1cu.cm has app.8g mass(use π=3.14)
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➡️volume of first cylinder = 3.14×12×12×220
➡️volume of second cylinder =3.14×8×8×60
➡️on solving these two and then adding we get
= 111532.8cm cube
➡️mass per cm cube = 8gram
➡️Total Mass= 11532×8=892262.4 gram
=892.26 kg
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