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The 4P state in potassium is split by its spin-orbit interaction into the 4P(3/2) (lamda = 766.41 nm) and 4P(1/2) (lamda = 769.90 nm) states. (The wavelengths are for the transitions to the ground
The drawing shows six point charges arranged in a rectangle. The value of q is 9.5 µC, and the distance d is 0.14 m. Find the total electric potential at location P, which is at the center of
An electron and a proton are initially very far apart (effectively an infinite distance apart). They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an
Two capacitors, C1 = 6.00 µF and C2 = 14.0 µF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. (a) Find the equivalent capacitance of the combi
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How many electrons are there in 8.41 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3) (b) W
Find the equivalent capacitance, and the energy contained in this equivalent capacitor. equivalent capacitance µF total energy stored J
NASA decides to build a house on the Moon, and to keep time they send up the grandfather clock from the problem above. However, when they install it they realized that someone made a big mistake bec
53.3-cm-long uniformly charged rod is sealed in a container. The total electric flux leaving the container is 5.15·106 N m2/C. Determine the linear charge density on the rod.
Two infinite, nonconducting, uniformly charged, flat surfaces are mutually perpendicular. One of the surfaces has a charge distribution of +19.5 pC/m2, and the other has a charge distribution of -4
A metallic sphere has a charge of +4.5 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 9.1 109 electrons are transferred. What are the charges of the sphere a
How many electrons must be removed from each of two 4.8-kg copper spheres to make the electric force of repulsion between them equal in magnitude to the gravitational attraction between them?
You then stretch the spring from the previous problem an additional 12 cm and release it. What is the period of oscillation now?
A vertical, 1.10-{m} length of 18-gauge (diameter of 1.024 {mm}) copper wire has a 200.0-N ball hanging from it. What is the wavelength of the third harmonic for this wire? A 1000-{\N} ball now repl
A 60.0-kg mass person wishes to push a 100-kg mass box across a level floor. The coefficient of static friction between the person's shoes and the floor is 0.700. What is the maximum coefficient of
A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. The object falls with an acceleration 4.00 m/s2 downward when it is falling downward at 70.0 m/s. What is
An object is acted on by a drag force with a magnitude that is proportional to the speed. The object accelerates downward at 3.00 m/s2 when it is falling with a speed 20.0 m/s. What is the terminal
What is the terminal velocity of a 6.00-kg mass object in falling with a drag force with a magnitude that depends on speed, v, as Fdrag = (30.0 N?s/m)v?
A 50.0-kg block is being pulled up a 13.0° slope by a force of 250 N which is parallel to the slope. The coefficient of kinetic friction between the block and the slope is 0.200. What is the ac
A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes an angle 34.0° above horizontal. The tension in the rope is 5.00 N. Assuming the acceleration o
A 2kg mass is attached to a spring and you measure that the period of its oscillation is 2.36 seconds. What would you expect the period of oscillation to be if you doubled the mass attached to it?
At the 18th green of the U.S. Open you need to make a 22.0 ft putt to win the tournament. When you hit the ball, giving it an initial speed of 1.62 m/s, it stops 5.95 ft short of the hole. Assuming
Estimate the electric field strength (in magnitude and direction) at the mid-point of the molecule.
Question: A water chiller with a capacity of 150 tons of refrigeration cools 320GPM of water entering the chiller at 50F. at what temp does the water leave the chiller?
In a sodium chloride molecule the equilibrium separation of the Na+ and the Cl- ions is 0.24 nm. Assuming that the ions may be considered to be point charges of +q and -q respectively and that the