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A harmonic oscillator potential of natural frequency ω contains a number of electrons and is in the state of lowest energy. If that energy is 6.5 h ω,(a) how many electrons are in the potential well, and (b) what is the energy of the highest-energy electron?
A carnival clown rides a motorcycle down a ramp and around a vertical loop. If the loop has a radius of 18m, what is the slowest speed the rider can have at the top a the loop to avoid falling?
As morning sunlight falls on a tethered helium balloon, it expands from a volume of 1.05 ×103 m3 to 1.15 ×103 m3. how many joules of solar energy are absorbed
A system performs 352 J of work on its surroundings while losing 133 J of internal energy. Determine the heat transferred to the system during this process
The experiment you did in lab is repeated, using a uniform metal bar that is 80.0 cm long instead of the meterstick. Since the bar is uniform, What is the mass of the bar?
A hydrogen atom undergoes a transition from a 2p state to the 1s ground state. In the absence of a magnetic field, the energy of the photon emitted is 122nm. The atom is then placed in a strong magnetic field in the z-direction.
a person scuffing her feet on a wool rug on a dry day accumulates anet charge of -46.6 microcoulombs. How many excess electrons does this person get
A discus thrower accelerates a discus from rest to a speed of 24.9 m/s by whirling it through 1.22 rev. Calculate the final angular speed of the discus
The star Mizar in Ursa Major is a binary system of stars of nearly equal magnitudes. What is the minimum diameter of the pupil
At t = 0 a grinding wheel has an angular velocity of 25.0 rad/s. It has a constant angular acceleration of 21.0 rad/s2 until a circuit breaker trips at t = 1.81 s. What was its acceleration as it slowed down
Suppose a small boat is at the crest of this wave, 1.5 {rm m} above the equilibrium position. Illustrate what will the vertical position of the boat be 5 seconds later?
A container is filled to a depth of 21.0 cm with water. What is the absolute pressure at the bottom of the container
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. What is his predicted landing velocity
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