Wood floats down a river. If half of the volume of the wood is above the water, what is the density of the wood? (assume water has a density of 1000 kg/m^3).
A) 4000 kg/m^3
B) 500 kg/m^3
C) more information is needed
D) 125 kg/m^3
E) 2000 kg/m^3
Wood floats down a river. If half of the volume of the wood is above the...
A block of wood of mass 2kg floats in water, and it is noted
that volume is 3/4 is submerged. density of water 1000
kg/m3.
a) What is the buoyant force of the block? hint:
V is volume and g is 9.81 m/s2.
b) What is the density of the block?
A cube of wood 20cm on each side floats in water so that 7cm is above the surface of the water and 13cm is below. a)What is the density of the wood? ( You must justify your answer) b) How much force would have to be exerted on the wood to submerge it? c) what volume of lead mass has to be placed on top of the block of wood so that it will just be totally submerged? d)Suppose a...
a cubical block of wood (density 850 kg/m^3) of height 28cm floats in water( density 1000kg/m^3). What is the height of the block above the surface of water? a)5.1cm b)4.2cm c) .92 cm d) 10.8 cm e) 1.11 cm
Dr. Song Test #3 November 20, 2019 13.1 A wood of volume V floats in the water, and a steel of volume V. is attached to the bottom of the wood by a string as in figure. Assume the volume and weight of the string is negligible and the wood remains floating. a) Draw a free body diagram showing all the forces acting on the wood and steel, respectively; b) Find magnitudes of all forces on the steel; c) Find...
A cube of wood floats on the surface of a swimming pool. Each side of the cube is 0.25 cm long and the cube has a density of 750 kg m-3 . a.) What fraction of the cube is submerged? b.) If the cube is replaced by one made from another material, what is the maximum allowed density for the new cube to float? c.) The pressure at the bottom of the deep end of the pool is 1.4 x...
a cube of wood having an edge dimension of 20cms and density of 600kg floats in water that has a density of 1000kg/m^3. what is the distance from the top horizontal surface of the cube to the water
a person with a mass of 90 kg and a volume of .09m3 floats in water. what is the volume of the person below the water. Assume density of person is 900kg/m?
A cubical block of wood, 10.7 cm on a side, floats at the interface between oil and water with its lower surface 2.10 cm below the interface (the figure ). The densityof the oil is 790 kg/m^3.a) What is the gauge pressure at the upper face of the block?? Pab)What is the gauge pressure at the lower face of the block?? Pac)What is the mass of the block?? kgd)What is the density of the block?? kg/m^3
IP A block of wood floats on water. A layer of oil is now poured on top of the water to a depth that more than covers the block, as shown in the figure(Figure 1). Part A Is the volume of wood submerged in water greater than, less than, or the same as before? O greater O less the same Submit Request Answer Part B If 95 % of the wood is subrrierged in water before the oil is added,...
50% of the volume of a boat, sailing down the Mississippi (where the water density ρ = 1000 kg/m3), lies above the surface of the river. The boat then enters the Gulf of Mex- ico, in which 51% of its volume lies above the surface. What is the density of the seawater in the Gulf of Mexico? Please write down the formulas and details on how you found everything!