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(a) A D5/2 term in the optical spectrum of 39 19K has a hyperfine structure with four components. Find the spin of the nucleus.
(b) In (a) what interval ratios in the hyperfine quadruplet are expected?
a 12-in record is dropped on a large 12-in phonograph turntable that is freely turning at 37 revmin. the mass of the
Two sounds have intensities of 2.10×10-8 and 8.70×10-4 W/m2 respectively. What is the magnitude of the sound level difference between them in dB units
A 74 kg window cleaner uses a 10 kg ladder that is 5.3 mlong. He places one end on the ground 2.0m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 2.7 m up alongthe ladder when the window breaks.
On planet Tehar, the free-fall acceleration is the same as that on Earth, however there is also a strong downward electric field that is uniform close to the planet's surface. A 2.02 kg ball having a charge of 5.01 µC is thrown upward at a speed of 2..
In San Francisco a very simple technique is used to turn around a cable car when it reaches the end of its route. what is the magnitude of the net torque applied to the car
three vectors length a67.0 b39.3 and c44.0. the angles are a27.7 and b54.2 and c points along the negative y-axis.
The density of a 3.0-m long rod can be described by the linear density function ?(x) = 105 g/m + 10.9x g/m2. Determine the center-of-mass coordinate
A sample of ideal gas occupies a volume of one litre at atmospheric pressure and temperature, 20 C. What pressure is required to squeeze the gas into one-half litre at 40 C?
Water waves travelling toward a boundary where the depth changes will be partially reflected and partially transmitted at the boundary. What two factors will make the amount of partial reflection that occurs more noticeable?
A soccer ball with mass 0.400 kilogram is traveling with a speed of 4.30 m/s at an angle of 20 degree counter clockwise from the +x axis. Compute the ball x and y components of momentum
A uniform magnetic field, B = 0.0002 T, exists in the +x-direction. A proton (q = +e) shoots through the field in the +ydirection with a speed of 5 x 106 m/s. Find the magnitude and direction of the force on the proton.
An 1100 kilogram car coast on a horizontal road with a speed of 19 m/s. Obtain the magnitude of the average net force on the car in the sandy section
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