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Question: A helium atom is in a finite potential well. The atom's energy is 1.0 eV below Uo. What is the atom's penetration distance into the classically forbidden region?
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Question: A parallel-plate vacuum capacitor is connected to a battery and charged until the stored electric energy is . The battery is removed, and then a dielectric material with dielectric constant is inserted into the ...
Question: For a patient, a doctor prescribes glasses with a converging lens having a power of 4.0 D. Is the patient nearsighted or farsighted? The response must be typed, single spaced, must be in times new roman font (s ...
Question: A solenoid 22.0 cm longand with a cross-sectional area of 0.500cm2 contains 415turns of wire and carries a current of 85.0 A. (a) Calculate the magnetic field in the solenoid. (b) Calculate the energy density i ...
Question: The speed of sound in air at 20 C is 344m/s. (A) What is the wavelength of a sound wave with a frequency of 784 Hz, corresponding to the note G5on a piano? (B) How many milliseconds does each vibration take? (C ...
Question: As a roller coaster car crosses the top of a 48.01-m-diameter loop-the-loop, its apparent weight is the same as its true weight. What is the car's speed at the top? The response must be typed, single spaced, mu ...
Question: Riders on the Tower of Doom, an amusement park ride, experience 2.0 s of free fall, after which they are slowed to a stop in 0.50 s. What is a 65 kg rider's apparent weight as the ride is coming to rest? By wha ...
Question: A rock is dropped from a sea cliff and the sound of it striking the ocean is heard 3.3 s later. If the speed of sound is 340 m/s, how high is the cliff? The response must be typed, single spaced, must be in tim ...
Jimmy is trying to synchronize two clocks on the roof of two buildings. The master clock is located at (x,y,z)=(0m, 0m, 80m), the slave clock is located at ( 200m, 300m, 30m). When the master clock ticks at t=0 s, it pro ...
Question: The nuclear mass of 141 Ba is 140.883 amu. Calculate the Binding energy per nucleon for 141 Ba. In J/Nucleon. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow ...
Question: A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 584 N. As the elevator later stops, the scale reading is 398 N. Assume the magnitude of the acceleration is ...
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