8 A wooden pole is 7 m high and 20 cm in diameter. Find its weight if – InterviewSolution

1.

8 A wooden pole is 7 m high and 20 cm in diameter. Find its weight if the wood weighs225 kg per m3

Answer»

volume of wooden pole = πr²h = 7*π*(20)² = 22*0.2*0.2= 0.88 m³

now , weight of pole = volume × density = 0.88×225 = 198 kg

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