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A glass U-tube with a uniform diameter of 0.850 cm is used to determine the density of an oil. As shown in the figure above, 24.5 cm column of water balances a 27.2 cm column of the oil so that interfaces A and B of the mercury with the other liquids are at the same height. The density of water is 1.00 x 103 kg/m3.
(a) Calculate the density of the oil
(b) calculate the absolute pressure at the interface between the water and the mercury.
You have a 56.9-mF capacitor initially charged to a potential difference of 10.1 V. You discharge the capacitor through a 4.77-Ω resistor. What is the time constant? After what multiple of the time constant does the potential difference reach 2.47 V.
A crate travels 30 m due to a constant force of 350 N. The friction can be neglected for the first 15 m. What is the final speed of the crate if it weighs 110 kg
A 0.44-kg mass is hanging from a spring with spring constant 15 N/m. What is the resulting angular frequency of the oscillation
Water flows straight down from an open faucet. The cross-sectional area of the faucet is 2.00 x10-4 m2, and the speed of the water is 0.87m/s as it leaves the faucet.
Two packages at UPS start sliding down a ramp 40 degrees from the horizontal, Package A is sliding down in front of Package B. Package A has a mass of 3.50 and a coefficient of kinetic friction of 0.220. Package B has a mass of 8.00 and a coefficient..
David is driving a steady 28.0m/s while he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
A 3.60 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. What is the mass of the second sphere
A3.50kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of24.0N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position.
2.00 ×1020electrons flow through a cross section of a 4.60?mm?diameter iron wire in 6.00s, What is the electron drift speed in um/s
In creating his definition of horsepower, James Watt, the inventor of the steam engine, calculated the power output of a horse operating a mill to grind grain or cut wood.
A solenoid that is 111 cm long has a cross-sectional area of 13.8 cm2. There are 958 turns of wire carrying a current of 7.62 A. Calculate the energy density of the magnetic field inside the solenoid
How numerous years would it take a thermally insulated one-million-kilogram chuck of granite to undergo a 1000k boost in temperature?
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