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The K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, and 0.021 5 nm. The K-shell ionization energy is 69.5 keV.
(a) Determine the ionization energies of the L, M, and N shells.
A uniform 3.15-kg rope 25.6 m long lies on the ground at the top of a vertical cliff. What was the change in potential energy of the rope during this maneuver
A ranger in a national park is driving at 52 km/h when a deer jumps onto the road 86 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -2.9 m/s2.
If the patch is 78 meters wide and the average force of air resistance on the skier is 179 newtons, explain how fast is she going after crossing the patch?
Loretta made it known just because someone comes from poverty does not mean this is where you have to live your whole life. She was an amazing women and an inspiration to many.
What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 ^circC? Suppose that the air bubble is always in thermal equilibrium with the surrounding water.
A spaceship leaves earth (Event A), travels to pluto (which is 5.0 h away at the time), and then returns (Event B) exactly 11.0 h later. estimate the time measured between events A and B by the ship's clock
If you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 25.0 km.
An astronaut weighs 7*10^2 N on the surface of the earth (M earth=5.98*10^24 kg). What is her weight 7.70*10^6 m above the earth.
A jumper in the long jump goes into the jump with a speed of 12.0 m/s at an angle of 20 degrees above the horizontal. How far does the jumper jump.
A neon sign in a shop operates at around 12 kV (rms). A transformer is to step-up the 120 V (rms) line voltage to that value. How many turns must be placed into the primary coil
What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20^circ {rm C}? Suppose that the air bubble is always in thermal equilibrium with the surrounding water.
A 3-kilogram block slides along on a frictionless surface at 6 m/s north and strikes an obstacle that exerts an impulse on the block of 9 N-s to the south
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