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Problem 1:
What atomic transition in singly ionized helium will produce a photon with the same energy as the smallest energy photon in the Lyman series of hydrogen? (Hint: use energy level diagrams)
Problem 2:
What is the wavelength of a neutron of kinetic energy 1 MeV?
Please explain each one.
A pole vaulter vaults over the bar and falls onto thick padding. He lands with a speed of 9.8m/s; the padding then brings him to a stop in a time of 0.40s. What is the average force on his body due to the padding during that time interval?
In astronomy, a parsec ( pc) is de ned as the distance at which an object with a size of 1 astronomical unit (AU) would subtend an angle of 1 arc-second
600g model rocket is on a cart that is rolling to the right at a speed of 4.5m/s. At what horizontal distance left of the loop should you launch
An isolated spherical conductor of radius 12 cm is charged to 2 kV. How much charge is on the conductor
Early one October you go to a pumpkin patch to select your Halloween pumpkin. Calculate the work you do on the pumpkin as you lift it from the ground
A 18.0 k? resistor and a capacitor are connected in series and then a 12.0 V potential difference is suddenly applied across them. The potential difference across the capacitor rises to 8.76 V in 1.22 µs. (a) Calculate the time constant of the circui..
a proton experiences an electric force of 95.2 fn 1 fn 1 fem to newton 1e-15 n in a uniform electric field. how
An object is 12.0 cm from the surface of a spherical Christmas tree ornament that is 8.00 cm in diameter. What is the magnification of the image
An AC source with an output rms voltage of 34.5 V at a frequency of 60.0 Hz is connected across a 10.2-µF capacitor. Find the maximum current in the circuit
What is he wavelength of a 22.75*10^9 Hz radar signal. What is the frequency of an X-ray with wavelength 0.12nm
A 3.00 mass on a spring has displacement as a function of time given by the equation. Find the maximum magnitude of force on the mass
the project consists of a word processed report. the topic for the project is heat loss in a cylindrical pipe although
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