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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.
Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 ? 1011 solar masses. What should the orbital period of that star be
A double slit experiment is performed with sodium(yellow) light of wavelength 589.3nm, Find the separation between slits
The 200 g head of a golf club moves at 40 m/s in a circular ARC of 1.2 m radius. How much force must the player exert on the handle of the club to prevent it from flying out of her hands at the bottom of swing? Ignore the mass of the club's shaft.
The average kinetic energy per molecule of an ideal gas with originally Ni=1000 molecules is Kavg=500J. What is the final number of molecules Nf after this process
The intensity level of 34.07 harmonicas in a harmonica band is 78.31 dB. Compute the intensity level generated by one harmonica
three electric charges QA=q,QB=-q and Qc=-2q are located at the points A(x=+a,y=0),B(x=-a,y=0) and c(x=0,y=+2a) respectively. what is the value of the electric potential at the origin
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.5 N-s, what is the mass of the ball
A uniform upward directed electric field of magnitude 1.4*10^-6 N/C has been setup between tow horizontal plates by charging the lower plate positively abnd the lower plate negatively, what is the vertical deflectio of the mass when it exits the pl..
Biometric measurements indicate that each hand typically makes up about 1.25% of body weight. What horizontal force should her wrist exert on her hand.
Electrons accelerated by a potential difference of 12.43 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the shortest possible wavelength
A car of mass 2100 kg collides with a truck of mass 4500 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was m/s, and truck's velocity just before the collision was m..
instructions read the problems carefully and answer all the questions in each problem. you are allowed to use three a4
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