4. A piece of iron placed on a block of wood makes it float lower in...

Question

Question

Answer 1

Answer #1

Answer is C

higher because Bouyancy force act on iron part also, which decreases real weight of iron part.

same bouyancy force acting on wood part.

hence net weight of wood with iron decreases. so wood will float little higher than previous case.

Answer 2

Similar Homework Help Questions

A rectangular block of wood weighs 4 N in air and has a density of 610...

A rectangular block of wood weighs 4 N in air and has a density of 610 kg/m1. The block is immersed in water. Assume the densty of water is 1,000 (a) What fraction of the volume of the block is immersed in the water? nab bNumber (b) A piece of iron (density 6,000 kg/m) is placed on top of the block so the block? that 83% ofthe block is now immersed in the water. What is the weight of the...
You hold a piece of wood in one hand and a piece of iron in the...

You hold a piece of wood in one hand and a piece of iron in the other hand. Both pieces have the same volume and you hold them fully under water at the same depth. Which experiences a greater buoyant force? A) The wood B) The Iron) C) They feel the same force D) More information is needed
1) A piece of wood has a measured mass of 212.8 g. The wood is a...

1) A piece of wood has a measured mass of 212.8 g. The wood is a cylinder of radius 4.5 cm and length 6.2 cm. What is the density of the wood? g/cm3 2) 23.0 mL of water are put in a graduated cylinder. The cylinder with the water in it has a mass of 149.6 g. The dry, empty cylinder has a mass of 127.2 g. What is the density of the water? g/mL 3) A jagged piece of...

A cube of wood 20cm on each side floats in water so that 7cm is above...

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 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...
ID: B ne: . A block of wood has specific gravity 0.80. When placed in water,...

ID: B ne: . A block of wood has specific gravity 0.80. When placed in water, what percent of the volume of the wood is above the surface? A. 0, the block sinks. B. 25% C 80% D. 20% wa mg

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...
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...
Suppose the block in part D is made of steel(iron, c = 449 J/kg-K) and has...

Suppose the block in part D is made of steel(iron, c = 449 J/kg-K) and has a mass of 0.500 kg and has an initial temperature of 300.0°C. The block is placed into the insulated beaker that holds 50.0 ml of water at 20.0°C. If the metal block were to cool to 100.0°C, how much energy would be transferred to the water? (CONTEXT: A metal block is heated for a long period of time over a gas flame. The block...

#2 1. A block of wood has a mass of 25 kg and a density of...

#2 1. A block of wood has a mass of 25 kg and a density of 650 kg/m'. You are holding it under water by pushing downward. a) What is the volume of the block of wood? b) What is the buoyant force on it? c) What is the magnitude of the downward force you are exerting to hold the block under water? 2. In the diagram, the hinge is frictionless and the system is in equilibrium. The uniform beam...