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An electron in the hydrogen atom is in an excited state given by (n=4, l=3, ml=2, ms=1/2). List the possible final states the system could be in after the emission of photon. Include in the list the energies of the photon.
A 1.2 kg block is tied to a string that is wrapped around the rim of a pulley of radius 7.2 cm. find the speed of the block after it has fallen through a height of 0.48 m
A solid wood door 1.00 m wide and 2.00 m hight is hinged alone one side and has a total mass of 40.0 kg, whats the final angular speed of the door
The isotope 64Cu can decay by EC, beta- and beta + transtions, calculate the average enrgies of emitted beta- and beta +
A vertical scale on a spring balance reads from 0 to 245 rm{N}. The scale has the length of 11.0 rm{cm} from the 0 to 245 rm{N} reading. A fish hanging from bottom of the spring oscillates vertically at a frequency of 3.00 rm{Hz}.Ignoring the mass..
A dam holds back water. In the dam is a turbine that produces power with an efficiency of 0.73. what is the velocity of the water leaving the turbine
If a 25-gram bullet with a speed of 330 m/s travels 15 cm into a tree before stopping, what's the average force exerted to stop the bullet
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.1 104 rev/min. Find the drill's angular acceleration
A sports car crosses the bottom of a valley with a radius of curvature equal to 95m. At what speed was the car traveling
Just after each jumps, that person is moving away from the crate with a speed of 4.40 m/s relative to the crate.
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.45km below the surface, What's the water pressure at that depth
To cook a stew, you use a 4-mm thick steel pot with a bottom surface area of 100 cm2. The heating takes place from a 500oC source. Determine the heat transfer to the stew
A double slit experiment produces 25 highlight spots with total distance y = 21cm, What is the wavelength of the laser source
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