What is the wavelength of the emitted radiation
A sodium ion (NA+) is neutralized by capturing a 0.5 eV electron. What is the wavelength of the emitted radiation if the ionization potential of sodium (Na) is 5.41 volts? Please show your work.
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A small leak develops in her propulsion system and 7.79 g of gas are ejected each second into space with a speed of 797 m/s. She notices the leak 5.91 s after it starts. How much will the gas leak have caused her to move from her original location
A four foot diameter reel of wire pays out 250 feet of conductor wire in two minutes. What is the average angular velocity of the reel in rpm. Provide step by step explanations.
A neutron passes two points 1.0 meter apart in 1.0 microsecond. Calculate the neutron's energy in units of both joules (J), ergs and electron volts. Please show all work.
Display the miles per pound of fuel M against the air speed A in appropriate columns. What are the maximum miles per pound of fuel?
A jack having a pitch of 1/2 inch has a lever, the outer end of which passes through a circle 9 feet in circumference. What force can be raised by an effort of 20 pounds?
Determine the minimum area of the panel for an output of 1 kW if the constant of proportionality is 5.67 × 10?8 W/m2K4 and T1 (hot reservoir temperature) is 1000 K.
(1) What happens to the capacitance and voltage of the capacitor? (2) Derive and explain why halving the distance between the plates of a disconnected, charged capacitor reduces the stored energy by half?
An internal crack has been detected with ultrasonics in the shell of a large cylindrical steel pressure vessel. The stresses in the region of the crack are: (longitudinal tensile stress of 60,000 psi, circumferential tensile stress of 140,000 psi,
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