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Problem: An atom is ionized so that it has only one electron. When the electron drops from the n = 5 shell to the n = 1 shell, an X-ray of wavelength 92.75 pm is emitted.
Part A -What is the atomic number?
Please show how you get the answer, and please explain each step. Thanks.
Light has a wavelength of 299.3 nm and a frequency of 7.403 × 1014 Hz when traveling through a certain substance. What is the refraction index of this medium
An object with total mass mtotal = 16.7 kg is sitting at rest when it explodes into three pieces. What is the magnitude of the final momentum of the system
Radiotelescopes are designed to observe 21-cmwaves emitted by atomic hydrogen gas. Estimate the distance to this galaxy
A beam of electrons is accelerated through a potential difference of 10kV before entering a velocity selector. If the B-field of the velocity selector is perpendicular to the velocity and has a valueof 0.05 T, what value of the E-field is required..
a 27 kilogram block is being pulled up a ramp with a force of 250n. the ramp has an incline of 31 degrees above the
An electromagnetic wave has an electric field amplitude of 325 V/m. What is the maximum magnitude of the Poynting vector of this wave
As shown in the figure, sunlight is coming straight down (negative z-direction) on a solar panel (of length L = 1.51 m and width W = 0.930 m) on the Mars rover Spirit.
A 71 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m. If the skier's speed at point A is 7.0m/s , what is the normal force exerted by the snow on the skier at point B? Ignore fricti..
Assume a planet has an atmosphere of pure ammonia at 0.0° C. What is the rms speed of the ammonia molecules?
A straight wire rests on a level surface and is oriented along the east-west axis. A compass is placed above the wire and parallel to the surface. When a current flows in the wire eastward, in what direction will the north end of the compass point?
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.100 N on the mug, and the cloth is pulled with a constant acceleration of 2.90 m/s2
A track has a radius of17.35 m. If you bike ride-around the track, making 18.00 rev in5.25 minutes, what is your average speed
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