A 10 cm * 10 cm * 10cm block of wood with density 700 kg/m^3 is...
A 10 cm * 10 cm * 10cm block of wood with density 700 kg/m^3 is held underwater by a string tied to the bottom of the container.
a) What is the tension of the string?
b) Will the block float or sink if the string is removed? If it floats and after reaching equilibrium, what will be the volume portion of the block above water surface?
c) What should be the mass of a piece of metal put on top of the block such that the upper surface of the block would be staying at the exact water surface?
Homework Answers
A 10cm×10cm×10cm wood block with a density of 700 kg/m3 floats in water. Part B If...
A 10cm×10cm×10cm wood block with a density of 700 kg/m3 floats in water. Part B If it's seawater? Suppose that ρ=1030kg/m3.
A 10cm×10cm×10cm wood block with a density of 650 kg/m3 floats in water. Part A What...
A 10cm×10cm×10cm wood block with a density of 650 kg/m3 floats in water. Part A What is the distance from the top of the block to the water if the water is fresh? . Part B If it's seawater? Suppose that ρ=1030kg/m3.
2. (10 pts) A piece of wood with a density Pwd06g is tied with a string...
2. (10 pts) A piece of wood with a density Pwd06g is tied with a string to the bottom of a water-filled flask and is in equilibrium. The wood is completely immersed. The tension in the string is 0.89 N. (the density of water is pwater- 1.00 x 103 kg a. (4 pts) Find the volume of the wood. b. (3 pts) If the string breaks, the wood starts moving upward due to the buoyancy force. Neglecting any viscous drag...
a cubical block of wood (density 850 kg/m^3) of height 28cm floats in water( density 1000kg/m^3)....
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
A 10 cm cubical block of wood floats at the interface between oil and water with...
A 10 cm cubical block of wood floats at the interface between oil and water with its lower surface 1.5 cm below the interface. The density of the oil is 900 kg m 3 . The oil layer and the water layer are both 10 cm tall. a. What is the gauge pressure at the upper face of the block? b. What is the gauge pressure at the lower face of the block? c. What are the mass and density...
A piece of wood, cut from a magnolia tree, with density ρwood = 572 kg/m3, is...
A piece of wood, cut from a magnolia tree, with density ρwood =
572 kg/m3, is tied with a string to the bottom of a
water-filled flask, as shown in the figure.
The wood is completely immersed. The tension in the string is
0.123 N. What is the volume of the piece of wood?
Question 9 (1 point) A piece of wood, cut from a magnolia tree, with density Pwood = 572 kg/m”, is tied with a string to the...
A wooden block of volume 5.26 times 10^-4 m^3 floats in water, and a small steel...
A wooden block of volume 5.26 times 10^-4 m^3 floats in water, and a small steel object of mass m is placed on top of the block. When m = 0.400 kg, the system is in equilibrium and the top of the wooden block is at the level of the water. (Take the density of steel to be 8 g/cm^3.) (a) What is the density of the wood? kg/m^3 (b) What happens to the block when the steel object is...
A cube of wood having an edge dimension of 18.1 cm and a density of 655 kg/m floats on water. (a) What is the dista...
A cube of wood having an edge dimension of 18.1 cm and a density of 655 kg/m floats on water. (a) What is the distance from the horizontal top surface of the cube to the water level? This is the length of the edge of the wood block that lies below the surface. cm (b) What mass of lead should be placed on the cube so that the top of the cube will be just level with the water surface?...
0.370 kg, the system is in equilibrium and the top A wooden block of volume 5.27...
0.370 kg, the system is in equilibrium and the top A wooden block of volume 5.27 x 10m floats in water, and a small steel object of mass mis placed on top of the block. When m of the wooden block is at the level of the water. (Take the density of steel to be 8 g/cm.) (a) What is the density of the wood? kg/m (b) What happens to the block when the steel object is replaced by an...
21. Oil having a density of 930 kg/m floats on water. A rectangular block of wood...
21. Oil having a density of 930 kg/m floats on water. A rectangular block of wood 6.00 cm high and with a density of 960 kg/m) floats partly in the oil and partly in the water. The oil completely covers the block. How far below the interface between the two liquids is the bottom of the block? (15 points) oil Wood block water I
2. (10 pts) A piece of wood with a density Pwd06g is tied with a string to the bottom of a water-filled flask and is in equilibrium. The wood is completely immersed. The tension in the string is 0.89 N. (the density of water is pwater- 1.00 x 103 kg a. (4 pts) Find the volume of the wood. b. (3 pts) If the string breaks, the wood starts moving upward due to the buoyancy force. Neglecting any viscous drag...
A piece of wood, cut from a magnolia tree, with density ρwood =
572 kg/m3, is tied with a string to the bottom of a
water-filled flask, as shown in the figure.
The wood is completely immersed. The tension in the string is
0.123 N. What is the volume of the piece of wood?
Question 9 (1 point) A piece of wood, cut from a magnolia tree, with density Pwood = 572 kg/m”, is tied with a string to the...
A wooden block of volume 5.26 times 10^-4 m^3 floats in water, and a small steel object of mass m is placed on top of the block. When m = 0.400 kg, the system is in equilibrium and the top of the wooden block is at the level of the water. (Take the density of steel to be 8 g/cm^3.) (a) What is the density of the wood? kg/m^3 (b) What happens to the block when the steel object is...
A cube of wood having an edge dimension of 18.1 cm and a density of 655 kg/m floats on water. (a) What is the distance from the horizontal top surface of the cube to the water level? This is the length of the edge of the wood block that lies below the surface. cm (b) What mass of lead should be placed on the cube so that the top of the cube will be just level with the water surface?...
0.370 kg, the system is in equilibrium and the top A wooden block of volume 5.27 x 10m floats in water, and a small steel object of mass mis placed on top of the block. When m of the wooden block is at the level of the water. (Take the density of steel to be 8 g/cm.) (a) What is the density of the wood? kg/m (b) What happens to the block when the steel object is replaced by an...
21. Oil having a density of 930 kg/m floats on water. A rectangular block of wood 6.00 cm high and with a density of 960 kg/m) floats partly in the oil and partly in the water. The oil completely covers the block. How far below the interface between the two liquids is the bottom of the block? (15 points) oil Wood block water I
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