Determine the volume of an oak beam if its mass is 80 kg. The density of oak is 800kg / m3.

Determine the volume of an oak beam if its mass is 80 kg. The density of oak is 800kg / m3. What is Its length, if the area of the base of the beam is 1dm.

Initial data: m (mass of an oak beam) = 80 kg; S (base area of an oak beam) = 1 dm ^ 2 = 0.01 m ^ 2.

Reference data: according to the condition ρ (density of oak) = 800 kg / m ^ 3.

1) Determine the volume of the oak beam: V = m / ρ = 80/800 = 0.1 m ^ 3.

2) Calculate the length of the oak beam: V = S * h and h = V / S = 0.1 / 0.01 = 10 m.

Answer: The volume of an oak beam is 0.1 m ^ 3, and the length is 10 meters.