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Three non-interacting particles are in their ground state inan infinite square well; see the figure above. what happens when amagnetic field is turned on which interacts with the spins of theparticles? Draw the new levels and particles (with spin).
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.50 1011 m apart. What is the mass of the smaller star
Diffracted light from a circular aperture is viewed on a distant viewing screen, Find the radius of the aperture if the wavelength of light is 680 nm
A plane, diving with constant speed at an angle of 54.0° with the vertical, releases a projectile at an altitude of 890 m. The projectile hits the ground 6.00 s after release. What is the speed of the aircraft
A pipe that is closed on one end is 1.2 meters long. What are its fundamental frequency and its first two overtones? What are its new first and second harmonic frequencies
A certain compact disc player draws a current of 340 mA at 27.0 V. How much power is required to operate the player
One runner ran the 100-m dash in 11.9 s. Another runner came in secona at 12.4 s. Assuming that the runners traveled at their average speeds for the entire distance, determine the sepaaration between the two runners when the winner crossed the fin..
a bullet of mass 50 g traveling at 400 m/s due north strikes a rock of mass 500 g at rest and ricochets off the rock going due east. How much energy was lost in the collision
Moon effect. Some people believe that the Moon controls their activities. The Moon moves from being directly on the opposite side of Earth from you to be being directly overhead. By what percent does your weight (as measured on a scale) decrease
A 75 kg man weighs 735 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose"12% of his body weight
An inductor has an inductance of 0.013 H. The voltage across this inductor is 20 V and has a frequency of 470 Hz. What is the current in the inductor
A 5.0 kg hanging weight is connected by a string over a pulley to a 9.0kg block sliding on a flat table. If the coefficient of sliding friction is 0.20; what is the rate of acceleration of the system?
A hanging magnesium wire with diameter0.13 cm is initially 2.0 m long. When a 28kg mass is hung from it, the wire stretches an amount 1.03 cm. A mole of magnesium has a mass of 24 grams, and its density is 1.74 g/cm3.
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