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In the line spectrum of atomic hydrogen there is a group of lines that are produced when electrons, excited to high energy levels, make transitions to the n = 3 level. Decide (a) the shortest wavelength and (b) the longest wavelength in this series.
one of your classmate has a friend with a boat. here is your classmate on water-skis being towed. in the absence of friction your classmate (m=62kg) would accelerate at 2.23m/s^2.
An observer inside the building notices that it takes 0.15s for the tile to pass her window, whose height is 2.20m. How far above the top of this window is the roof.
a wedding ring of diameter 2.21 cm is tossed into the air and given a spin resulting in an angular velocity of 13
In this particular problem and solution, the answer makes sense butone of the conversions does not. For the conversion from density in cm cubed to the density in meters cubed why is the conversion times 10^3? how did this conversion come about when t..
A race car travels with a constant tangential speed of 75.0m/s around a circular track of radius 625m. find The magnitude of the car's total acceleration
Two light pulses are emitted simultaneously from a source. Determine the difference in the pulses' times of arrival at the detector
A 2.80 kg gold bar at 98 degrees celcius is dropped into 0.34 kg of water at 23 degree celcius. what is the final temperature? assume the specific heatof gold is 129 J/kg
A superhero flies 287 meters from the top of a tall building at an angle of 17 degrees below the horizontal. What is the vertical component of the superhero's displacement? Answer in units of meters. The horizontal is 274.459 meters and the vertical ..
a slow proton beam fills the space between two large parallel metal plates. the distance between the plates is 2a. one
The technique known as potassium-argon dating is used to date old lava flows and thus any fossilized skeletons found in them, What is the age of a piece of solidified lava with a ^40Ar/^40K ratio of 0.31
Begin with the appropriate law and derive an expression for the magnetic field at a point P a perpendicular distance R from a long straight wire carying a constant current i. Be sure show and explain all steps.
Two wires are identical, except that one is aluminum and one is gold. The aluminum wire has a resistance of 0.18 ?. What is the resistance of the gold wire
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