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A particular cylindrical bucket has a height of 36.0 cm, and the radius of its circular cross-section is 15 cm. The bucket is empty, aside from containing air. The bucket is then inverted so that its open end is down and, being careful not to lose any of the air trapped inside, the bucket is lowered below the surface of a fresh-water lake so the water-air interface in the bucket is 20.0 m below the surface of the lake. To keep the calculations simple, use g = 10 m/s^2, atmospheric pressure = 1 x 10^5 Pa, and the density of water as 1000 kg/m^3.
If the temperature is the same at the surface of the lake and at a depth of 20.0m below the surface , what is the height of the cylinder of air in the bucket when the bucket is at a depth of 20.0m below the surface of the lake?
A hydrogen atom has energy ?2.42×10?19 J, and the electron can be in any one of 6 different quantum states. Find the spectroscopic notation for this atom
A car accelerates uniformly from rest and reaches a speed of 22.1 m/s in 8.97 s.
One way to decrease your use of fossil fuels is to heat your water via solar radiation. A solar water heater runs cold water through dark, radiation absorbing tubing.
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The tungsten filament of a certain 100 W light bulb radiates 2.50 W of light. (The other 97.5 W is carried away by convection and conduction.) The filament has surface area of 0.270 mm2 and an emissivity of 0.950. Find the filament's temperature. (Th..
What is constant acceleration
A compound lens system consists of two converging lenses, one at x = -20.0 cm with focal length f_1= 10.0 cm, and the other at x= 20.0cm with focal length f_2 = 8.0 cm. What is the focal length of the new lens at the origin
Four identical charges (+2.2 %u03BCC each) are brought from infinity, Determine the electric potential energy of this group
What is its initial velocity as it leaves the ground. Two particles are fixed on an x axis.
A small remote-control car with a mass of 1.58 moves at a constant speed of = 12.0 in a vertical circle inside a hollow metal cylinder that has a radius of 5.
How much work is done by an applied force that moves two charges of +6.8 µC that are initially very far apart to a distance of 5.3 cm apart?
Find the resultant magnetic force exerted by the long wire on the square current loop in the figure below if I1 = 8.72 A and I2 = 4.12 A
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