Physics question and answers for March 25, 2024
- Q Ice pieces are floating in a beaker A containing wate and also in a beaker B containing miscible liquid c specific gravity 1 2 When ice melts the level of...
- Q In the figure shown the heavy cylinder radius m kept on a smooth surface separates two liquids of densities 2p and 3p The height h in meter for the translational...
- Q If it takes 5 minutes to fill a 15 litre bucket 2 from a water tap of diameter TT the Reynolds number for the flow is density of water 103...
- Q 21 The lower end of a capillary tube is dipped in water Water rises upto height 10 cm The tube is broken upto 8 cm Then new angle of contact...
- Q 1 Bernoulli s Equation in Scalar Form Assume no viscous effects 25 Points The siphon is used to draw water from a large open tank The diameter of the tube...
- Q Relative density of a metal may be found with the help of spring balance In air the spring balance reads 5 00 0 05 N and in water it reads...
- Q In the figure shown the total height of the floating cylinder is 10 cm and its cross sectional area is 10 cm The cross sectional area of the beaker is...
- Q 11 A cube of edge length 10 cm is just balanced at the interface of two liquids A and B as shown in figure If A and B has specific...
- Q A cube of edge length 10 cm is just balanced at the interface of two liquids A and B as shown in figure If A and B has specific gravity...
- Q 3 An air bubble of 20 cm volume is at the bottom of a lake 40 m deep where the temperature is 4 C The bubble rises to the surface...
- Q III MATCH THE COLUMN A cubical box is completely filled with mass m of a liquid and is given horizontal acceleration as shown in the figure Match the force due...
- Q A hemispherical bowl of radius R is completely filled with liquid of density d Atmospheric pressure is Po Pressure at centre of mass of the liquid is R 2 Rdg...
- Q 2 When an aqueous solution freezes A B C D Usually it is the solute that solidifies first The solvent and the solute solidify at the same time It is...
- Q A cylindrical flask has a mass of 12 g when empty When it is filled with water its mass is 93 g and when it is filled with vegetable oil...
- Q When a skydiver free falls from an airplane her downward velocity in feet per second is given as v t 240 1 0 85 where t is the number of...
- Q 14 6 Points DETAILS HINT A 24 4 kg iron mass rests on the bottom of a pool The density of iron is 7 86 x 103 kg m and...
- Q Water flows through a garden hose at 178 cm s It fills a 20 0 liter bucket 1 liter 1000 cm with water in a total time of 45 0...
- Q Water flows through a pipe with decreasing cross sectional area Which one of the following statements is true The speed of the water remains constant while its pressure increases The...
- Q 5 5 N 1 2 3 0 N 01 TWO IDENTICAL OBJECTS ARE WEIGHED ONE IN THE AIR AND ONE UNDER WATER p 1 000 KG M A WHAT IS...
- Q Water flowing through a garden hose of diameter 2 78 cm fills a 20 0 L bucket in 1 45 min a What is the speed of the water leaving...
- Q A 61 0 kg man lies on his back on a bed of nails with 1 204 of the nails in contact with his body The end of each nail...
- Q An hydraulic press has an input piston of area 24 in If the output piston has an area of 110 in2 how much input force is required to lift a...
- Q At a Wawa fill station the air in a truck tire is measured to have a pressure of 80 0 psi If the total area of the tire s sidewalls...
- Q A hollow ball with a diameter of 3 79 cm has an average density of 0 0837 g cm What force must be applied to hold it stationary while it...
- Q Three column barometers are built One uses glycerin one uses freshwater and one uses seawater If all three are measured side by side and at the same time in which...
- Q A 2 5 kg plastic tank that has a volume of 0 2 m is filled with liquid water Assuming the density of water is 1000 kg m determine the...
- Q 3 attempts left SG Check my work A sample of the mineral halite measures 17 49 cm long by 16 83 cm wide by 15 35 cm high and has...
- Q In a viscous fluid flowing vertically upward through a uniform pipe of length L the difference in fluid pressure between the top and bottom of the pipe is AP pgL...
- Q Three blocks with identical sizes and hanging from strings are submerged in water block A is half submerged and blocks B and C are fully submerged The blocks are all...
- Q 7 A liquid p 1 65 g cm flows through two horizontal sections of tubing joined end to end In the first section the cross sectional area is 10 0...
- Q The Mariana trench is located in the floor of the Pacific Ocean at a depth of about 12000 m below the surface of the water density of seawater is 1025...
- Q TEL 3 m 5 m 4 m 2 m s Vb One section of a 5 m wide irrigation channel that is filled with water contains an incline as shown...
- Q 4 A tree branch is floating in water as shown in the diagram The total volume of the branch is 1 12 m and 75 0 percent of the volume...
- Q 4 The dimensions of a waterbed are 2 13 m by 1 52 m by 0 38 m If the frame has a mass of 91 0 kg and the...
- Q A hospital patient is being fed intravenously with a liquid of liquid is raised 1 20 m above the patient s arm where The resulting pressure this fluid exerts on...
- Q Learning Goal To understand the applications of Archimedes principle Archimedes principle is a powerful tool for solving many problems involving equilibrium in fluids It states the following When a body...
- Q Water is moving at through a horizontal hose at a a velocity of 2 m/sec. The radius of the hose is 0.08 m. What is the volume flow rate of...
- Q Water is moving at through a horizontal hose. The radius of the hose changes. When the radius of the hose is 0.08 m, the speed of the water is 2...
- Q Atmospheric pressure is about 1.01 x 105 Pa. How large a force does the atmosphere exert on a 4 cm on the top of your head?
- Q When you place an egg in water, it sinks. If you add salt to the water, after some time the egg floats. Choose the correct explanation.Adding salt to the water...
- Q A rock with a mass of 540 g in air is found to have an apparent mass of 342 g when submerged in water. (a) What mass of water is...
- Q A 30-cm-diameter vertical cylinder is sealed at the top by a frictionless 16 kg piston. The piston is 76 cm above the bottom when the gas temperature is 306C. The...
- Q A major artery with a cross-sectional area of 1.02 cm2 branches into 18 smaller arteries, each with an average cross-sectional area of 0.306 cm. By what factor (<1) is the...
- Q A wooden block is floating on water kept in beaker. 40% of the block is above the water surface. Nowthe beaker is kept inside a lift that starts going upward...
- Q A small metal sphere of radius a is falling with avelocity v through a vertical column of a viscousliquid. If the coefficient of viscosity of the liquid isn, then the...
- Q A spherical particle falling at a terminal speed in a liquid must have the gravitational force balanced by the drag force and the buoyantforce. The buoyant force is equal to...
- Q A beaker with a liquid of density 1.4gcm3 is in balance over one pan of a weighing machine. If a solid of mass 10g and density 8gcm-3 is now hung...
- Q Suppose there is a 0.45 mm thick layer of 20C water between two microscope slides. The area of overlap between the two slides is 7.2 cmWhat magnitude of force is...
- Q (10 points total) Tim's PhD experiment, the Sudbury Neutrino Observatory, used a 1.0 x 106 kg container of heavy water, which has a density of 1110 kg/m, submerged in normal...
- Q A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.65 L/s, with an...
- Q Water emerges from a faucet at a speed of 0.1 m/s. After falling a short distance, its speed increases to 0.9 m/s as a result of gravitational acceleration. By what...
- Q A block of wood of uniform density floats so that exactly a sixth of its volume is underwater.The density of water is 1000 kg/m.(a) What is the density of the...
- Q 3. Imagine you are measuring air pressure of an open areausing an apparatus looking like the one on the right: A longglass tube, sealed at one end, has an inner...
- Q Density is used to determine if the material or substance is good forthe job it is built for.For example, if you want to build a boat out of wood, wouldn't...
- Q The liquid in the tube has a density of 13,600 kilograms per cubicmeter. The atmospheric pressure is 1.013 x 105 newtons persquare meter. The pressure P is most nearly(a) 1.05...
- Q The liquid in the first pipe was flowing at an average speed of 18 centimeters per second. When it flowed into thesecond pipe, the average speed increased to 72 centimeters...
- Q A 6.5-cm-diameter ball has a terminal speed of 16 m/s.Part AWhat is the ball's mass? Use p = 1.2 kg/m for the density of air at room temperature.Express your answer...
- Q Two identical glasses are filled to the same level with water. One of the two glasses hasa large ice cube floating partially submerged in it. Which glass weighs more?..A) The...
- Q Styrofoam has a density of 32 kg/m.What is the maximum mass that can hang without sinking from a 80-cm diameter Styrofoam sphere in water? Assume the volume of the mass...
- Q Air at 20C flows through the tube shown in (Figure 1). Assume that air is an ideal fluid. The density of air is 1.20 kg/m, the density of mercury is...
- Q Water flowing through a 2.1-cm-diameter pipe can fill a 400 L bathtub in 5.1 min.
- Q A fire hose exerts a force on the person holding it. This is because the water accelerates as it goes from the hose through the nozzle. Part A. How much...
- Q The Army Corp of Engineers is working on the dam that holds back Boone Lake. A diver is inspecting the dam at a depth of 6.7 meters below the surface...
- Q When a solid object is completely submerged in ethyl alcohol, its apparent weight is 16.4 N and when completely submerged in water, its apparent weight is 11.4 N. Determine the...
- Q A ball of mass 10 kg is held under the surface of a pool. The instant it is released, it hasan instantaneous acceleration of 4 m/sec towards the bottom of...
- Q A small sphere of mass 9.20 x 10^-5 kg and radius 5.90 x 10^-4 m falls through a fluid of viscosity 0.36 kg/(ms). Assume that the viscous force (or drag...
- Q An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic sound that travels 1,530 m/s in seawater. How deep is the water if the time delay of the echo from...
- Q In a hydraulic system, the input piston has a diameter of 4 inches and the output piston has a diameter of 9.6 inches. What is the mechanical advantage (MA) of...
- Q The figure below shows a horizontal pipe with a varying cross section. A liquid with a density of 1.65 g/cm flows from left to right in the pipe, from larger...
- Q A liquid (p = 1.65 g/cm) flows through two horizontal sections of tubing joined end to end. In the first section the cross-sectional area is 10.0 cm, the flow speed...
- Q Three column barometers are built. One uses glycerin, one uses freshwater, and one uses seawater. If all three aremeasured side by side and at the same time, in which will...
- Q Pr2. A 4-m vertical water pipe with the cross-sectional area 6 cm is connected to a system under thepressure p1 at the bottom end and is joined to a horizontal...
- Q Water flows through a garden hose at 178 cm/s. It fills a 20.0-liter bucket (1 liter = 1000 cm) with water in a total time of 45.0 seconds. What is...
- Q An hydraulic press has an input piston of area 24 in2. If the output piston has an area of 110 in2, how much input force is required to lift a...
- Q At a Wawa fill station, the air in a truck tire is measured to have a pressure of 80.0 psi. If the total area of the tire'ssidewalls is 1200 in2,...
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