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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.
A firefighter with a weight of 702 N slides down a vertical pole with an acceleration of 2.90 m/s2, directed downward. What are the magnitudes and directions (choose the positive direction up) of the vertical forces
In order for Sasha (in A-5) to feel weightless at the top of the ride, a) at what linear speed must the Ferris wheel tum? b) At this speed, how much would she appear to weigh at the bottom of the Ferris wheel.
The mass of the earth can be given as 10 moles of kilograms. What does this statement mean, and what is the error with the actual mass of the earth (5.98 x 1024 kg)
a lead wire of cross-sectional area 0.980 mm2 is at a temperature of 2.00 k and carries a current of 0.490 a. a find
For a 30 degree launch angle, the initial velocity(v0) is 3.12 m/s, the height at which the launcher is shot from has a height(h) of 1.17 m from the ground, Calculate angle the projectile makes with the horizontal just as projectile hits the ground
A muonic atom is an atom containing a muon (like an electron, but 206.46(30) times the electron mass. Calculate the energy of an n=2 to n=1 transitions in a lead (z=82) muonic atom.
Which object posses more gravitational potential energy: a 2-kilogram ball at 2.2 meters above the ground or a bullet that is .15 kilograms at a height of 74 meters above ground
A driver travels northbound on a highway at a speed of 26.0 m/s. What frequency does the driver observe asthe police car approaches
A figure skater can increase her spin rotation rate from an initial rate of 1.0 rev every 2.8 s to a final rate of 3.3 rev/s. what is her final moment of inertia
Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system, How many subshells are in this shell
a 2500 kg truck moving at 10.00 m/s strikes a car waiting at a traffic light, hooking bumpers. what was the mass of the struck car
A baseball is hit with a speed of 30ms-1 at an angle of 40degrees. It land`s on the flat roof of a nearby building with a height of 14 m. If the ball was hit when it was 1.40 m above the ground, what horizontal distance does it travel before it la..
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