Compute the weight of a piece of lumber 400 mm by 600 mm, 6 m long, if the lumber weights 960 kg/cubic meter.
please solve it step by step thank you.
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Solution :-
We know that,
- 1 m = 1000 mm
So,
→ Length of piece of lumber = 6 m
→ Breadth = 600/1000 = 0.6 m
→ Height = 400/1000 = 0.4 m
then,
→ Volume of piece of lumber = L * B * H = 0.6 * 0.4 * 6 = 1.44 m³ .
now,
→ 1m³ lumber weights = 960 kg
→ Total volume weights = 960 * 1.44 = 1382.4 kg (Ans.)
Hence, the weight of a piece of lumber is equal to 1382.4 kg .
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