Volume 1
A raft of mass M=600 kg floats in calm water with 7 cm submerged. When a man stands on the raft, 8.4 cm are submerged, the man’s mass is
18
Sep
A raft of mass M=600 kg floats in calm water with 7 cm submerged. When a man stands on the raft, 8.4 cm are submerged, the man’s mass is 8.4 cm are submerged A raft of mass M=600 kg floats in calm water with 7 cm submerged. When a man stands on the raft the [...]
The reading of spring balance when a block is suspended from it in air is 60 newton. This reading is changed to 40 newton when the block is submerged in water. The specific gravity of the block is
18
Sep
The reading of spring balance when a block is suspended from it in air is 60 newton. This reading is changed to 40 newton when the block is submerged in water. The specific gravity of the block is The reading of spring balance when a block is suspended from it in air is 60 newton. [...]
The relative density of ice is 0.9 and that of sea water is 1.125. What fraction of the whole volume of an iceberg appears above the surface of the sea ?
17
Sep
The relative density of ice is 0.9 and that of sea water is 1.125. What fraction of the whole volume of an iceberg appears above the surface of the sea ? The relative density of ice is 0.9 and that of sea water is 1.125. What fraction of the whole volume of an iceberg appears [...]
A metallic sphere floats in an immiscible mixture of water (ρw=10^3 kg/m^3) and a liquid (ρL=13.5×10^3 kg/m^3) such that its 2/3rd part is in water and 1/3 th part in the liquid. Find the density of metal.
17
Sep
A metallic sphere floats in an immiscible mixture of water (ρw=10^3 kg/m^3) and a liquid (ρL=13.5×10^3 kg/m^3) such that its 2/3rd part is in water and 1/3 th part in the liquid. Find the density of metal. A raft of wood of mass 120 kg floats in water. The weight that can be put on [...]
A tank contains water on top of mercury as shown in figure. A cubical block of side 10 cm is in equilibrium inside the tank. The depth of the block inside mercury is (RD of the material of block =8.56, RD of mercury =13.6)
17
Sep
A tank contains water on top of mercury as shown in figure. A cubical block of side 10 cm is in equilibrium inside the tank. The depth of the block inside mercury is (RD of the material of block =8.56, RD of mercury =13.6) A tank contains water on top of mercury as shown in [...]
A small block of wood of relative density 0.5 is submerged in water at a depth of 5m. When the block is released, it starts moving upwards, the acceleration of the block is: (g=10ms^-2
17
Sep
A small block of wood of relative density 0.5 is submerged in water at a depth of 5m. When the block is released, it starts moving upwards, the acceleration of the block is: (g=10ms^-2 A small block of wood of relative density 0.5 is submerged in water at a depth of 5m. When the block [...]
A boat having a length of 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is
17
Sep
A boat having a length of 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is A boat having a length of 3 m and breadth 2 m is floating on a lake. The boat sinks [...]
A balloon has volume 1000 m^3. It is filled with hydrogen (rho = 0.09 g/l). If the density of air is 1.29 g/l, it can lift a total weight of
17
Sep
A balloon has volume 1000 m^3. It is filled with hydrogen (rho = 0.09 g/l). If the density of air is 1.29 g/l, it can lift a total weight of A balloon has volume 1000 m^3. It is filled with hydrogen (rho = 0.09 g/l). If the density of air is 1.29 g/l it can [...]
A raft of wood of mass 120 kg floats in water. The weight that can be put on the raft to make it just sink should be (d raft = 600 kg / m^3
17
Sep
A raft of wood of mass 120 kg floats in water. The weight that can be put on the raft to make it just sink should be (d raft = 600 kg / m^3 A raft of wood of mass 120 kg floats in water. The weight that can be put on the raft to [...]
Two cylinders of same cross-section and length L but made of two different materials of densities d1 and d2 are connected together to from a cylinder of length 2L. The combination floats in a liquid of density d with a length L/2 above the surface of the liquid.If d1
17
Sep
Two cylinders of same cross-section and length L but made of two different materials of densities d1 and d2 are connected together to from a cylinder of length 2L. The combination floats in a liquid of density d with a length L/2 above the surface of the liquid.If d1 Upthrust will remain same September 17, [...]